# LeetCode in Go [LeetCode Online Judge](https://leetcode.com/) is a website containing many **algorithm questions**. Most of them are real interview questions of **Google, Facebook, LinkedIn, Apple**, etc. and it always help to sharp our algorithm Skills. Level up your coding skills and quickly land a job. This is the best place to expand your knowledge and get prepared for your next interview. This repo shows my solutions in Go with the code style strictly follows the [Google Golang Style Guide](https://github.com/golang/go/wiki/CodeReviewComments). Please feel free to reference and **STAR** to support this repo, thank you! <p align='center'> <img src='./logo.png'> </p> ![](./website/static/wechat-qr-code.png) <p align='center'> <a href="https://github.com/halfrost/LeetCode-Go/releases/" rel="nofollow"><img alt="GitHub All Releases" src="https://img.shields.io/github/downloads/halfrost/LeetCode-Go/total?label=PDF%20downloads"></a> <img src="https://img.shields.io/badge/Total%20Word%20Count-738884-success"> <a href="https://github.com/halfrost/LeetCode-Go/actions" rel="nofollow"><img src="https://github.com/halfrost/LeetCode-Go/workflows/Deploy%20leetcode-cookbook/badge.svg?branch=master"></a> <a href="https://travis-ci.org/github/halfrost/LeetCode-Go" rel="nofollow"><img src="https://travis-ci.org/halfrost/LeetCode-Go.svg?branch=master"></a> <a href="https://goreportcard.com/report/github.com/halfrost/LeetCode-Go" rel="nofollow"><img src="https://goreportcard.com/badge/github.com/halfrost/LeetCode-Go"></a> <img src="https://img.shields.io/badge/runtime%20beats-100%25-success"> <a href="https://codecov.io/gh/halfrost/LeetCode-Go"><img src="https://codecov.io/gh/halfrost/LeetCode-Go/branch/master/graph/badge.svg" /></a> <!--<img alt="GitHub go.mod Go version" src="https://img.shields.io/github/go-mod/go-version/halfrost/LeetCode-Go?color=26C2F0">--> <img alt="Support Go version" src="https://img.shields.io/badge/Go-v1.15-26C2F0"> <img src="https://visitor-badge.laobi.icu/badge?page_id=halfrost.LeetCode-Go"> </p> <p align='center'> <a href="https://github.com/halfrost/LeetCode-Go/blob/master/LICENSE"><img alt="GitHub" src="https://img.shields.io/github/license/halfrost/LeetCode-Go?label=License"></a> <img src="https://img.shields.io/badge/License-CC-000000.svg"> <a href="https://leetcode.com/halfrost/"><img src="https://img.shields.io/badge/@halfrost-8751-yellow.svg"> <img src="https://img.shields.io/badge/language-Golang-26C2F0.svg"> <a href="https://halfrost.com"><img src="https://img.shields.io/badge/Blog-Halfrost--Field-80d4f9.svg?style=flat"></a> <a href="http://weibo.com/halfrost"><img src="https://img.shields.io/badge/weibo-@halfrost-f974ce.svg?style=flat&colorA=f4292e"></a> <a href="https://twitter.com/halffrost"><img src="https://img.shields.io/badge/twitter-@halffrost-F8E81C.svg?style=flat&colorA=009df2"></a> <a href="https://www.zhihu.com/people/halfrost/activities"><img src="https://img.shields.io/badge/%E7%9F%A5%E4%B9%8E-@halfrost-fd6f32.svg?style=flat&colorA=0083ea"></a> <img src="https://img.shields.io/badge/made%20with-=1-blue.svg"> <a href="https://github.com/halfrost/LeetCode-Go/pulls"><img src="https://img.shields.io/badge/PR-Welcome-brightgreen.svg"></a> </p> 支持 Progressive Web Apps 和 Dark Mode 的题解电子书《LeetCode Cookbook》 <a href="https://books.halfrost.com/leetcode/" rel="nofollow">Online Reading</a> <p align='center'> <a href="https://books.halfrost.com/leetcode/"><img src="https://img.halfrost.com/Leetcode/Cookbook_Safari_0.png"></a> <a href="https://books.halfrost.com/leetcode/"><img src="https://img.halfrost.com/Leetcode/Cookbook_Chrome_PWA.png"></a> </p> 离线版本的电子书《LeetCode Cookbook》PDF <a href="https://github.com/halfrost/LeetCode-Go/releases/" rel="nofollow">Download here</a> <p align='center'> <a href="https://github.com/halfrost/LeetCode-Go/releases/"><img src="https://img.halfrost.com/Leetcode/Cookbook.png"></a> </p> 通过 iOS / Android 浏览器安装 PWA 版《LeetCode Cookbook》至设备桌面随时学习 <p align='center'> <a href="https://books.halfrost.com/leetcode/"><img src="https://img.halfrost.com/Leetcode/Cookbook_PWA_iPad.png"></a> <a href="https://books.halfrost.com/leetcode/"><img src="https://img.halfrost.com/Leetcode/Cookbook_PWA_iPad_example1__.png"></a> <a href="https://books.halfrost.com/leetcode/"><img src="https://img.halfrost.com/Leetcode/Cookbook_PWA_iPad_example2__.png"></a> </p> ## Data Structures > 标识了✅ 的专题是完成所有题目了的,没有标识的是还没有做完所有题目的 <a href="https://books.halfrost.com/leetcode/"><img src="./website/static/logo.png" alt="logo" height="550" align="right" /></a> * [Array](#array) * [String](#string) * [✅ Two Pointers](#two-pointers) * [✅ Linked List](#linked-list) * [✅ Stack](#stack) * [Tree](#tree) * [Dynamic programming](#dynamic-programming) * [✅ Backtracking](#backtracking) * [Depth First Search](#depth-first-search) * [Breadth First Search](#breadth-first-search) * [Binary Search](#binary-search) * [Math](#math) * [Hash Table](#hash-table) * [✅ Sort](#sort) * [✅ Bit Manipulation](#bit-manipulation) * [✅ Union Find](#union-find) * [✅ Sliding Window](#sliding-window) * [✅ Segment Tree](#segment-tree) * [✅ Binary Indexed Tree](#binary-indexed-tree) <br> <br> | 数据结构 | 变种 | 相关题目 | 讲解文章 | |:-------:|:-------|:------|:------| |顺序线性表:向量|||| |单链表|1. 双向链表<br>2. 静态链表<br>3. 对称矩阵<br>4. 稀疏矩阵||| |哈希表|1. 散列函数<br>2. 解决碰撞/填充因子<br>||| |栈和队列|1. 广义栈<br>2. 双端队列<br>||| |队列|1. 链表实现<br>2. 循环数组实现<br>3. 双端队列||| |字符串|1. KMP算法<br>2. 有限状态自动机<br>3. 模式匹配有限状态自动机<br>4. BM 模式匹配算法<br>5. BM-KMP 算法<br>6. BF 算法||| |树|1. 二叉树<br>2. 并查集<br>3. Huffman 树||| |数组实现的堆|1. 极大堆和极小堆<br>2. 极大极小堆<br>3. 双端堆<br>4. d 叉堆||| |树实现的堆|1. 左堆<br>2. 扁堆<br>3. 二项式堆<br>4. 斐波那契堆<br>5. 配对堆||| |查找|1. 哈希表<br>2. 跳跃表<br>3. 排序二叉树<br>4. AVL 树<br>5. B 树 / B+ 树 / B* 树<br>6. AA 树<br>7. 红黑树<br>8. 排序二叉堆<br>9. Splay 树<br>10. 双链树<br>11. Trie 树<br>12. R 树||| |--------------------------------------------|--------------------------------------------------------------------------------------------|---------------------------|-----------------------------------| ## Algorithm | 算法 | 具体类型 | 相关题目 | 讲解文章 | |:-------:|:-------|:------|:------| |排序算法|1. 冒泡排序<br>2. 插入排序<br>3. 选择排序<br>4. 希尔 Shell 排序<br>5. 快速排序<br>6. 归并排序<br>7. 堆排序<br>8. 线性排序算法<br>9. 自省排序<br>10. 间接排序<br>11. 计数排序<br>12. 基数排序<br>13. 桶排序<br>14. 外部排序 - k 路归并败者树<br>15. 外部排序 - 最佳归并树||| |递归与分治||1. 二分搜索/查找<br>2. 大整数的乘法<br>3. Strassen 矩阵乘法<br>4. 棋盘覆盖<br>5. 合并排序<br>6. 快速排序<br>7. 线性时间选择<br>8. 最接近点对问题<br>9. 循环赛日程表<br>|| |动态规划||1. 矩阵连乘问题<br>2. 最长公共子序列<br>3. 最大子段和<br>4. 凸多边形最优三角剖分<br>5. 多边形游戏<br>6. 图像压缩<br>7. 电路布线<br>8. 流水作业调度<br>9. 0-1 背包问题/背包九讲<br>10. 最优二叉搜索树<br>11. 动态规划加速原理<br>12. 树型 DP<br>|| |贪心||1. 活动安排问题<br>2. 最优装载<br>3. 哈夫曼编码<br>4. 单源最短路径<br>5. 最小生成树<br>6. 多机调度问题<br>|| |回溯法||1. 装载问题<br>2. 批处理作业调度<br>3. 符号三角形问题<br>4. n 后问题<br>5. 0-1 背包问题<br>6. 最大团问题<br>7. 图的 m 着色问题<br>8. 旅行售货员问题<br>9. 圆排列问题<br>10. 电路板排列问题<br>11. 连续邮资问题<br>|| |搜索|1. 枚举<br>2. DFS<br>3. BFS<br>4. 启发式搜索<br>||| |随机化|1. 随机数<br>2. 数值随机化算法<br>3. Sherwood 舍伍德算法<br>4. Las Vegas 拉斯维加斯算法<br>5. Monte Carlo 蒙特卡罗算法<br>|1. 计算 π 值<br>2. 计算定积分<br>3. 解非线性方程组<br>4. 线性时间选择算法<br>5. 跳跃表<br>6. n 后问题<br>7. 整数因子分解<br>8. 主元素问题<br>9. 素数测试<br>|| |图论|1. 遍历 DFS / BFS<br>2. AOV / AOE 网络<br>3. Kruskal 算法(最小生成树)<br>4. Prim 算法(最小生成树)<br>5. Boruvka 算法(最小生成树)<br>6. Dijkstra 算法(单源最短路径)<br>7. Bellman-Ford 算法(单源最短路径)<br>8. SPFA 算法(单源最短路径)<br>9. Floyd 算法(多源最短路径)<br>10. Johnson 算法(多源最短路径)<br>11. Fleury 算法(欧拉回路)<br>12. Ford-Fulkerson 算法(最大网络流增广路)<br>13. Edmonds-Karp 算法(最大网络流)<br>14. Dinic 算法(最大网络流)<br>15. 一般预流推进算法<br>16. 最高标号预流推进 HLPP 算法<br>17. Primal-Dual 原始对偶算法(最小费用流)18. Kosaraju 算法(有向图强连通分量)<br>19. Tarjan 算法(有向图强连通分量)<br>20. Gabow 算法(有向图强连通分量)<br>21. 匈牙利算法(二分图匹配)<br>22. Hopcroft-Karp 算法(二分图匹配)<br>23. kuhn munkras 算法(二分图最佳匹配)<br>24. Edmonds’ Blossom-Contraction 算法(一般图匹配)<br>|1. 图遍历<br>2. 有向图和无向图的强弱连通性<br>3. 割点/割边<br>3. AOV 网络和拓扑排序<br>4. AOE 网络和关键路径<br>5. 最小代价生成树/次小生成树<br>6. 最短路径问题/第 K 短路问题<br>7. 最大网络流问题<br>8. 最小费用流问题<br>9. 图着色问题<br>10. 差分约束系统<br>11. 欧拉回路<br>12. **邮递员问题<br>13. 汉密尔顿回路<br>14. 最佳边割集/最佳点割集/最小边割集/最小点割集/最小路径覆盖/最小点集覆盖 <br>15. 边覆盖集<br>16. 二分图完美匹配和最大匹配问题<br>17. 仙人掌图<br>18. 弦图<br>19. 稳定婚姻问题<br>20. 最大团问题<br>|| |数论||1. 最大公约数<br> 2. 最小公倍数<br>3. 分解质因数<br>4. 素数判定<br>5. 进制转换<br>6. 高精度计算<br>7. 整除问题<br>8. 同余问题<br>9. 欧拉函数<br>10. 扩展欧几里得<br>11. 置换群<br>12. 母函数<br>13. 离散变换<br>14. 康托展开<br>15. 矩阵<br>16. 向量<br>17. 线性方程组<br>18. 线性规划<br> || |几何||1. 凸包 - Gift wrapping<br>2. 凸包 - Graham scan<br>3. 线段问题<br> 4. 多边形和多面体相关问题<br>|| |NP 完全|1. 计算模型<br>2. P 类与 NP 类问题<br>3. NP 完全问题<br>4. NP 完全问题的近似算法<br>|1. 随机存取机 RAM<br>2. 随机存取存储程序机 RASP<br>3. 图灵机<br>4. 非确定性图灵机<br>5. P 类与 NP 类语言<br>6. 多项式时间验证<br>7. 多项式时间变换<br>8. Cook定理<br>9. 合取范式的可满足性问题 CNF-SAT<br>10. 3 元合取范式的可满足性问题 3-SAT<br>11. 团问题 CLIQUE<br>12. 顶点覆盖问题 VERTEX-COVER<br>13. 子集和问题 SUBSET-SUM<br>14. 哈密顿回路问题 HAM-CYCLE<br>15. 旅行售货员问题 TSP<br>16. 顶点覆盖问题的近似算法<br>17. 旅行售货员问题近似算法<br>18. 具有三角不等式性质的旅行售货员问题<br>19. 一般的旅行售货员问题<br>20. 集合覆盖问题的近似算法<br>21. 子集和问题的近似算法<br>22. 子集和问题的指数时间算法<br>23. 子集和问题的多项式时间近似格式<br>|| |------------|------------------------------------------------------------------|-----------------------------------------------------------------|--------------------| ## LeetCode Problems ## 一. 个人数据 | | Easy | Medium | Hard | Total | |:--------:|:--------:|:--------:|:--------:|:--------:| |Optimizing|33|45|30|108| |Accepted|**281**|**426**|**126**|**833**| |Total|527|1107|442|2076| |Perfection Rate|88.3%|89.4%|76.2%|87.0%| |Completion Rate|53.3%|38.5%|28.5%|40.1%| |------------|----------------------------|----------------------------|----------------------------|----------------------------| ## 二. 目录 以下已经收录了 728 道题的题解,还有 11 道题在尝试优化到 beats 100% | No. | Title | Solution | Acceptance | Difficulty | Frequency | |:--------:|:--------------------------------------------------------------|:--------:|:--------:|:--------:|:--------:| |0001|Two Sum|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0001.Two-Sum)|47.8%|Easy|| |0002|Add Two Numbers|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0002.Add-Two-Numbers)|37.2%|Medium|| |0003|Longest Substring Without Repeating Characters|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0003.Longest-Substring-Without-Repeating-Characters)|32.4%|Medium|| |0004|Median of Two Sorted Arrays|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0004.Median-of-Two-Sorted-Arrays)|33.0%|Hard|| |0005|Longest Palindromic Substring|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0005.Longest-Palindromic-Substring)|31.4%|Medium|| |0006|Zigzag Conversion|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0006.Zigzag-Conversion)|40.1%|Medium|| |0007|Reverse Integer|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0007.Reverse-Integer)|26.2%|Medium|| |0008|String to Integer (atoi)|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0008.String-to-Integer-atoi)|16.1%|Medium|| |0009|Palindrome Number|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0009.Palindrome-Number)|51.7%|Easy|| |0010|Regular Expression Matching||28.0%|Hard|| |0011|Container With Most Water|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0011.Container-With-Most-Water)|53.2%|Medium|| |0012|Integer to Roman|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0012.Integer-to-Roman)|58.4%|Medium|| |0013|Roman to Integer|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0013.Roman-to-Integer)|57.7%|Easy|| |0014|Longest Common Prefix||38.1%|Easy|| |0015|3Sum|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0015.3Sum)|29.9%|Medium|| |0016|3Sum Closest|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0016.3Sum-Closest)|46.9%|Medium|| |0017|Letter Combinations of a Phone Number|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0017.Letter-Combinations-of-a-Phone-Number)|52.1%|Medium|| |0018|4Sum|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0018.4Sum)|36.7%|Medium|| |0019|Remove Nth Node From End of List|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0019.Remove-Nth-Node-From-End-of-List)|37.2%|Medium|| |0020|Valid Parentheses|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0020.Valid-Parentheses)|40.5%|Easy|| |0021|Merge Two Sorted Lists|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0021.Merge-Two-Sorted-Lists)|58.4%|Easy|| |0022|Generate Parentheses|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0022.Generate-Parentheses)|68.4%|Medium|| |0023|Merge k Sorted Lists|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0023.Merge-k-Sorted-Lists)|45.1%|Hard|| |0024|Swap Nodes in Pairs|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0024.Swap-Nodes-in-Pairs)|56.0%|Medium|| |0025|Reverse Nodes in k-Group|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0025.Reverse-Nodes-in-k-Group)|48.9%|Hard|| |0026|Remove Duplicates from Sorted Array|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0026.Remove-Duplicates-from-Sorted-Array)|47.7%|Easy|| |0027|Remove Element|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0027.Remove-Element)|50.4%|Easy|| |0028|Implement strStr()|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0028.Implement-strStr)|35.7%|Easy|| |0029|Divide Two Integers|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0029.Divide-Two-Integers)|17.0%|Medium|| |0030|Substring with Concatenation of All Words|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0030.Substring-with-Concatenation-of-All-Words)|27.4%|Hard|| |0031|Next Permutation|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0031.Next-Permutation)|34.8%|Medium|| |0032|Longest Valid Parentheses|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0032.Longest-Valid-Parentheses)|30.7%|Hard|| |0033|Search in Rotated Sorted Array|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0033.Search-in-Rotated-Sorted-Array)|37.0%|Medium|| |0034|Find First and Last Position of Element in Sorted Array|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0034.Find-First-and-Last-Position-of-Element-in-Sorted-Array)|39.0%|Medium|| |0035|Search Insert Position|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0035.Search-Insert-Position)|42.5%|Easy|| |0036|Valid Sudoku|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0036.Valid-Sudoku)|53.5%|Medium|| |0037|Sudoku Solver|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0037.Sudoku-Solver)|51.6%|Hard|| |0038|Count and Say||47.6%|Medium|| |0039|Combination Sum|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0039.Combination-Sum)|62.7%|Medium|| |0040|Combination Sum II|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0040.Combination-Sum-II)|51.6%|Medium|| |0041|First Missing Positive|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0041.First-Missing-Positive)|35.2%|Hard|| |0042|Trapping Rain Water|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0042.Trapping-Rain-Water)|54.4%|Hard|| |0043|Multiply Strings|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0043.Multiply-Strings)|36.8%|Medium|| |0044|Wildcard Matching||26.2%|Hard|| |0045|Jump Game II|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0045.Jump-Game-II)|35.3%|Medium|| |0046|Permutations|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0046.Permutations)|70.0%|Medium|| |0047|Permutations II|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0047.Permutations-II)|52.3%|Medium|| |0048|Rotate Image|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0048.Rotate-Image)|64.2%|Medium|| |0049|Group Anagrams|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0049.Group-Anagrams)|62.4%|Medium|| |0050|Pow(x, n)|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0050.Powx-n)|31.6%|Medium|| |0051|N-Queens|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0051.N-Queens)|54.7%|Hard|| |0052|N-Queens II|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0052.N-Queens-II)|64.4%|Hard|| |0053|Maximum Subarray|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0053.Maximum-Subarray)|49.0%|Easy|| |0054|Spiral Matrix|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0054.Spiral-Matrix)|39.4%|Medium|| |0055|Jump Game|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0055.Jump-Game)|36.9%|Medium|| |0056|Merge Intervals|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0056.Merge-Intervals)|43.3%|Medium|| |0057|Insert Interval|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0057.Insert-Interval)|36.7%|Medium|| |0058|Length of Last Word|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0058.Length-of-Last-Word)|35.2%|Easy|| |0059|Spiral Matrix II|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0059.Spiral-Matrix-II)|60.5%|Medium|| |0060|Permutation Sequence|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0060.Permutation-Sequence)|41.0%|Hard|| |0061|Rotate List|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0061.Rotate-List)|33.1%|Medium|| |0062|Unique Paths|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0062.Unique-Paths)|58.2%|Medium|| |0063|Unique Paths II|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0063.Unique-Paths-II)|36.7%|Medium|| |0064|Minimum Path Sum|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0064.Minimum-Path-Sum)|58.1%|Medium|| |0065|Valid Number|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0065.Valid-Number)|17.3%|Hard|| |0066|Plus One|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0066.Plus-One)|42.1%|Easy|| |0067|Add Binary|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0067.Add-Binary)|49.0%|Easy|| |0068|Text Justification||33.1%|Hard|| |0069|Sqrt(x)|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0069.Sqrtx)|36.0%|Easy|| |0070|Climbing Stairs|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0070.Climbing-Stairs)|50.1%|Easy|| |0071|Simplify Path|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0071.Simplify-Path)|36.5%|Medium|| |0072|Edit Distance||49.3%|Hard|| |0073|Set Matrix Zeroes|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0073.Set-Matrix-Zeroes)|46.8%|Medium|| |0074|Search a 2D Matrix|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0074.Search-a-2D-Matrix)|40.9%|Medium|| |0075|Sort Colors|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0075.Sort-Colors)|52.9%|Medium|| |0076|Minimum Window Substring|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0076.Minimum-Window-Substring)|37.9%|Hard|| |0077|Combinations|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0077.Combinations)|61.2%|Medium|| |0078|Subsets|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0078.Subsets)|68.6%|Medium|| |0079|Word Search|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0079.Word-Search)|39.0%|Medium|| |0080|Remove Duplicates from Sorted Array II|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0080.Remove-Duplicates-from-Sorted-Array-II)|47.9%|Medium|| |0081|Search in Rotated Sorted Array II|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0081.Search-in-Rotated-Sorted-Array-II)|34.2%|Medium|| |0082|Remove Duplicates from Sorted List II|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0082.Remove-Duplicates-from-Sorted-List-II)|41.3%|Medium|| |0083|Remove Duplicates from Sorted List|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0083.Remove-Duplicates-from-Sorted-List)|47.9%|Easy|| |0084|Largest Rectangle in Histogram|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0084.Largest-Rectangle-in-Histogram)|39.1%|Hard|| |0085|Maximal Rectangle||41.0%|Hard|| |0086|Partition List|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0086.Partition-List)|46.7%|Medium|| |0087|Scramble String||35.3%|Hard|| |0088|Merge Sorted Array|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0088.Merge-Sorted-Array)|42.4%|Easy|| |0089|Gray Code|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0089.Gray-Code)|54.3%|Medium|| |0090|Subsets II|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0090.Subsets-II)|51.6%|Medium|| |0091|Decode Ways|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0091.Decode-Ways)|28.9%|Medium|| |0092|Reverse Linked List II|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0092.Reverse-Linked-List-II)|42.6%|Medium|| |0093|Restore IP Addresses|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0093.Restore-IP-Addresses)|40.1%|Medium|| |0094|Binary Tree Inorder Traversal|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0094.Binary-Tree-Inorder-Traversal)|68.9%|Easy|| |0095|Unique Binary Search Trees II|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0095.Unique-Binary-Search-Trees-II)|47.5%|Medium|| |0096|Unique Binary Search Trees|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0096.Unique-Binary-Search-Trees)|57.2%|Medium|| |0097|Interleaving String|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0097.Interleaving-String)|34.1%|Medium|| |0098|Validate Binary Search Tree|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0098.Validate-Binary-Search-Tree)|29.8%|Medium|| |0099|Recover Binary Search Tree|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0099.Recover-Binary-Search-Tree)|44.9%|Medium|| |0100|Same Tree|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0100.Same-Tree)|54.9%|Easy|| |0101|Symmetric Tree|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0101.Symmetric-Tree)|50.3%|Easy|| |0102|Binary Tree Level Order Traversal|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0102.Binary-Tree-Level-Order-Traversal)|59.3%|Medium|| |0103|Binary Tree Zigzag Level Order Traversal|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0103.Binary-Tree-Zigzag-Level-Order-Traversal)|52.2%|Medium|| |0104|Maximum Depth of Binary Tree|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0104.Maximum-Depth-of-Binary-Tree)|70.2%|Easy|| |0105|Construct Binary Tree from Preorder and Inorder Traversal|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0105.Construct-Binary-Tree-from-Preorder-and-Inorder-Traversal)|55.6%|Medium|| |0106|Construct Binary Tree from Inorder and Postorder Traversal|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0106.Construct-Binary-Tree-from-Inorder-and-Postorder-Traversal)|52.7%|Medium|| |0107|Binary Tree Level Order Traversal II|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0107.Binary-Tree-Level-Order-Traversal-II)|57.3%|Medium|| |0108|Convert Sorted Array to Binary Search Tree|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0108.Convert-Sorted-Array-to-Binary-Search-Tree)|64.2%|Easy|| |0109|Convert Sorted List to Binary Search Tree|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0109.Convert-Sorted-List-to-Binary-Search-Tree)|54.0%|Medium|| |0110|Balanced Binary Tree|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0110.Balanced-Binary-Tree)|45.9%|Easy|| |0111|Minimum Depth of Binary Tree|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0111.Minimum-Depth-of-Binary-Tree)|41.4%|Easy|| |0112|Path Sum|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0112.Path-Sum)|44.2%|Easy|| |0113|Path Sum II|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0113.Path-Sum-II)|52.4%|Medium|| |0114|Flatten Binary Tree to Linked List|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0114.Flatten-Binary-Tree-to-Linked-List)|55.8%|Medium|| |0115|Distinct Subsequences|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0115.Distinct-Subsequences)|41.7%|Hard|| |0116|Populating Next Right Pointers in Each Node|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0116.Populating-Next-Right-Pointers-in-Each-Node)|53.3%|Medium|| |0117|Populating Next Right Pointers in Each Node II||44.7%|Medium|| |0118|Pascal's Triangle|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0118.Pascals-Triangle)|60.6%|Easy|| |0119|Pascal's Triangle II|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0119.Pascals-Triangle-II)|55.2%|Easy|| |0120|Triangle|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0120.Triangle)|48.9%|Medium|| |0121|Best Time to Buy and Sell Stock|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0121.Best-Time-to-Buy-and-Sell-Stock)|53.0%|Easy|| |0122|Best Time to Buy and Sell Stock II|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0122.Best-Time-to-Buy-and-Sell-Stock-II)|60.8%|Medium|| |0123|Best Time to Buy and Sell Stock III||42.2%|Hard|| |0124|Binary Tree Maximum Path Sum|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0124.Binary-Tree-Maximum-Path-Sum)|36.9%|Hard|| |0125|Valid Palindrome|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0125.Valid-Palindrome)|40.0%|Easy|| |0126|Word Ladder II|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0126.Word-Ladder-II)|25.9%|Hard|| |0127|Word Ladder|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0127.Word-Ladder)|33.8%|Hard|| |0128|Longest Consecutive Sequence|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0128.Longest-Consecutive-Sequence)|48.0%|Medium|| |0129|Sum Root to Leaf Numbers|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0129.Sum-Root-to-Leaf-Numbers)|55.0%|Medium|| |0130|Surrounded Regions|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0130.Surrounded-Regions)|32.6%|Medium|| |0131|Palindrome Partitioning|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0131.Palindrome-Partitioning)|55.9%|Medium|| |0132|Palindrome Partitioning II||32.8%|Hard|| |0133|Clone Graph||43.6%|Medium|| |0134|Gas Station||43.2%|Medium|| |0135|Candy|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0135.Candy)|36.0%|Hard|| |0136|Single Number|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0136.Single-Number)|67.9%|Easy|| |0137|Single Number II|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0137.Single-Number-II)|55.6%|Medium|| |0138|Copy List with Random Pointer|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0138.Copy-List-with-Random-Pointer)|44.7%|Medium|| |0139|Word Break||43.4%|Medium|| |0140|Word Break II||39.5%|Hard|| |0141|Linked List Cycle|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0141.Linked-List-Cycle)|44.4%|Easy|| |0142|Linked List Cycle II|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0142.Linked-List-Cycle-II)|41.9%|Medium|| |0143|Reorder List|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0143.Reorder-List)|44.2%|Medium|| |0144|Binary Tree Preorder Traversal|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0144.Binary-Tree-Preorder-Traversal)|60.4%|Easy|| |0145|Binary Tree Postorder Traversal|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0145.Binary-Tree-Postorder-Traversal)|61.4%|Easy|| |0146|LRU Cache|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0146.LRU-Cache)|38.5%|Medium|| |0147|Insertion Sort List|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0147.Insertion-Sort-List)|46.2%|Medium|| |0148|Sort List|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0148.Sort-List)|49.1%|Medium|| |0149|Max Points on a Line||19.3%|Hard|| |0150|Evaluate Reverse Polish Notation|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0150.Evaluate-Reverse-Polish-Notation)|40.8%|Medium|| |0151|Reverse Words in a String|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0151.Reverse-Words-in-a-String)|26.9%|Medium|| |0152|Maximum Product Subarray|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0152.Maximum-Product-Subarray)|33.7%|Medium|| |0153|Find Minimum in Rotated Sorted Array|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0153.Find-Minimum-in-Rotated-Sorted-Array)|47.4%|Medium|| |0154|Find Minimum in Rotated Sorted Array II|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0154.Find-Minimum-in-Rotated-Sorted-Array-II)|43.2%|Hard|| |0155|Min Stack|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0155.Min-Stack)|48.9%|Easy|| |0156|Binary Tree Upside Down||58.4%|Medium|| |0157|Read N Characters Given Read4||39.5%|Easy|| |0158|Read N Characters Given read4 II - Call Multiple Times||39.7%|Hard|| |0159|Longest Substring with At Most Two Distinct Characters||51.8%|Medium|| |0160|Intersection of Two Linked Lists|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0160.Intersection-of-Two-Linked-Lists)|47.6%|Easy|| |0161|One Edit Distance||33.6%|Medium|| |0162|Find Peak Element|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0162.Find-Peak-Element)|45.1%|Medium|| |0163|Missing Ranges||29.9%|Easy|| |0164|Maximum Gap|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0164.Maximum-Gap)|40.6%|Hard|| |0165|Compare Version Numbers||32.0%|Medium|| |0166|Fraction to Recurring Decimal||23.1%|Medium|| |0167|Two Sum II - Input Array Is Sorted|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0167.Two-Sum-II-Input-Array-Is-Sorted)|57.4%|Easy|| |0168|Excel Sheet Column Title|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0168.Excel-Sheet-Column-Title)|33.0%|Easy|| |0169|Majority Element|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0169.Majority-Element)|61.5%|Easy|| |0170|Two Sum III - Data structure design||36.0%|Easy|| |0171|Excel Sheet Column Number|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0171.Excel-Sheet-Column-Number)|58.5%|Easy|| |0172|Factorial Trailing Zeroes|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0172.Factorial-Trailing-Zeroes)|40.0%|Medium|| |0173|Binary Search Tree Iterator|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0173.Binary-Search-Tree-Iterator)|63.5%|Medium|| |0174|Dungeon Game|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0174.Dungeon-Game)|35.6%|Hard|| |0175|Combine Two Tables||67.9%|Easy|| |0176|Second Highest Salary||34.8%|Medium|| |0177|Nth Highest Salary||35.1%|Medium|| |0178|Rank Scores||55.0%|Medium|| |0179|Largest Number|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0179.Largest-Number)|32.0%|Medium|| |0180|Consecutive Numbers||44.5%|Medium|| |0181|Employees Earning More Than Their Managers||64.3%|Easy|| |0182|Duplicate Emails||67.5%|Easy|| |0183|Customers Who Never Order||60.6%|Easy|| |0184|Department Highest Salary||44.1%|Medium|| |0185|Department Top Three Salaries||44.1%|Hard|| |0186|Reverse Words in a String II||49.4%|Medium|| |0187|Repeated DNA Sequences|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0187.Repeated-DNA-Sequences)|43.1%|Medium|| |0188|Best Time to Buy and Sell Stock IV||31.9%|Hard|| |0189|Rotate Array|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0189.Rotate-Array)|37.2%|Medium|| |0190|Reverse Bits|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0190.Reverse-Bits)|45.9%|Easy|| |0191|Number of 1 Bits|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0191.Number-of-1-Bits)|57.2%|Easy|| |0192|Word Frequency||25.5%|Medium|| |0193|Valid Phone Numbers||25.7%|Easy|| |0194|Transpose File||24.8%|Medium|| |0195|Tenth Line||32.7%|Easy|| |0196|Delete Duplicate Emails||49.5%|Easy|| |0197|Rising Temperature||41.6%|Easy|| |0198|House Robber|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0198.House-Robber)|45.1%|Medium|| |0199|Binary Tree Right Side View|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0199.Binary-Tree-Right-Side-View)|58.3%|Medium|| |0200|Number of Islands|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0200.Number-of-Islands)|52.1%|Medium|| |0201|Bitwise AND of Numbers Range|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0201.Bitwise-AND-of-Numbers-Range)|41.2%|Medium|| |0202|Happy Number|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0202.Happy-Number)|52.3%|Easy|| |0203|Remove Linked List Elements|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0203.Remove-Linked-List-Elements)|42.0%|Easy|| |0204|Count Primes|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0204.Count-Primes)|32.8%|Medium|| |0205|Isomorphic Strings|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0205.Isomorphic-Strings)|41.6%|Easy|| |0206|Reverse Linked List|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0206.Reverse-Linked-List)|68.4%|Easy|| |0207|Course Schedule|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0207.Course-Schedule)|44.7%|Medium|| |0208|Implement Trie (Prefix Tree)|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0208.Implement-Trie-Prefix-Tree)|55.9%|Medium|| |0209|Minimum Size Subarray Sum|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0209.Minimum-Size-Subarray-Sum)|41.7%|Medium|| |0210|Course Schedule II|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0210.Course-Schedule-II)|45.0%|Medium|| |0211|Design Add and Search Words Data Structure|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0211.Design-Add-and-Search-Words-Data-Structure)|42.6%|Medium|| |0212|Word Search II|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0212.Word-Search-II)|38.4%|Hard|| |0213|House Robber II|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0213.House-Robber-II)|38.8%|Medium|| |0214|Shortest Palindrome||31.4%|Hard|| |0215|Kth Largest Element in an Array|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0215.Kth-Largest-Element-in-an-Array)|61.5%|Medium|| |0216|Combination Sum III|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0216.Combination-Sum-III)|62.7%|Medium|| |0217|Contains Duplicate|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0217.Contains-Duplicate)|59.1%|Easy|| |0218|The Skyline Problem|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0218.The-Skyline-Problem)|37.8%|Hard|| |0219|Contains Duplicate II|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0219.Contains-Duplicate-II)|40.1%|Easy|| |0220|Contains Duplicate III|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0220.Contains-Duplicate-III)|21.5%|Medium|| |0221|Maximal Square||41.4%|Medium|| |0222|Count Complete Tree Nodes|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0222.Count-Complete-Tree-Nodes)|53.4%|Medium|| |0223|Rectangle Area|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0223.Rectangle-Area)|39.4%|Medium|| |0224|Basic Calculator|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0224.Basic-Calculator)|39.6%|Hard|| |0225|Implement Stack using Queues|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0225.Implement-Stack-using-Queues)|50.5%|Easy|| |0226|Invert Binary Tree|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0226.Invert-Binary-Tree)|69.9%|Easy|| |0227|Basic Calculator II|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0227.Basic-Calculator-II)|40.0%|Medium|| |0228|Summary Ranges|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0228.Summary-Ranges)|44.1%|Easy|| |0229|Majority Element II|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0229.Majority-Element-II)|40.8%|Medium|| |0230|Kth Smallest Element in a BST|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0230.Kth-Smallest-Element-in-a-BST)|65.2%|Medium|| |0231|Power of Two|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0231.Power-of-Two)|44.1%|Easy|| |0232|Implement Queue using Stacks|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0232.Implement-Queue-using-Stacks)|55.5%|Easy|| |0233|Number of Digit One||32.6%|Hard|| |0234|Palindrome Linked List|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0234.Palindrome-Linked-List)|44.7%|Easy|| |0235|Lowest Common Ancestor of a Binary Search Tree|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0235.Lowest-Common-Ancestor-of-a-Binary-Search-Tree)|55.1%|Easy|| |0236|Lowest Common Ancestor of a Binary Tree|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0236.Lowest-Common-Ancestor-of-a-Binary-Tree)|52.9%|Medium|| |0237|Delete Node in a Linked List|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0237.Delete-Node-in-a-Linked-List)|70.1%|Easy|| |0238|Product of Array Except Self||62.7%|Medium|| |0239|Sliding Window Maximum|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0239.Sliding-Window-Maximum)|45.8%|Hard|| |0240|Search a 2D Matrix II|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0240.Search-a-2D-Matrix-II)|47.0%|Medium|| |0241|Different Ways to Add Parentheses||59.8%|Medium|| |0242|Valid Anagram|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0242.Valid-Anagram)|60.3%|Easy|| |0243|Shortest Word Distance||63.5%|Easy|| |0244|Shortest Word Distance II||57.5%|Medium|| |0245|Shortest Word Distance III||56.8%|Medium|| |0246|Strobogrammatic Number||47.2%|Easy|| |0247|Strobogrammatic Number II||49.7%|Medium|| |0248|Strobogrammatic Number III||41.0%|Hard|| |0249|Group Shifted Strings||61.0%|Medium|| |0250|Count Univalue Subtrees||54.2%|Medium|| |0251|Flatten 2D Vector||47.2%|Medium|| |0252|Meeting Rooms||56.2%|Easy|| |0253|Meeting Rooms II||48.5%|Medium|| |0254|Factor Combinations||48.3%|Medium|| |0255|Verify Preorder Sequence in Binary Search Tree||47.1%|Medium|| |0256|Paint House||56.9%|Medium|| |0257|Binary Tree Paths|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0257.Binary-Tree-Paths)|56.7%|Easy|| |0258|Add Digits|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0258.Add-Digits)|59.8%|Easy|| |0259|3Sum Smaller||49.9%|Medium|| |0260|Single Number III|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0260.Single-Number-III)|66.8%|Medium|| |0261|Graph Valid Tree||44.7%|Medium|| |0262|Trips and Users||37.1%|Hard|| |0263|Ugly Number|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0263.Ugly-Number)|41.8%|Easy|| |0264|Ugly Number II|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0264.Ugly-Number-II)|44.3%|Medium|| |0265|Paint House II||48.7%|Hard|| |0266|Palindrome Permutation||64.1%|Easy|| |0267|Palindrome Permutation II||38.7%|Medium|| |0268|Missing Number|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0268.Missing-Number)|57.8%|Easy|| |0269|Alien Dictionary||34.3%|Hard|| |0270|Closest Binary Search Tree Value||52.4%|Easy|| |0271|Encode and Decode Strings||35.6%|Medium|| |0272|Closest Binary Search Tree Value II||54.9%|Hard|| |0273|Integer to English Words||29.1%|Hard|| |0274|H-Index|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0274.H-Index)|37.0%|Medium|| |0275|H-Index II|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0275.H-Index-II)|36.7%|Medium|| |0276|Paint Fence||41.1%|Medium|| |0277|Find the Celebrity||45.5%|Medium|| |0278|First Bad Version|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0278.First-Bad-Version)|40.0%|Easy|| |0279|Perfect Squares|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0279.Perfect-Squares)|51.1%|Medium|| |0280|Wiggle Sort||65.5%|Medium|| |0281|Zigzag Iterator||60.6%|Medium|| |0282|Expression Add Operators||38.8%|Hard|| |0283|Move Zeroes|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0283.Move-Zeroes)|59.7%|Easy|| |0284|Peeking Iterator|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0284.Peeking-Iterator)|52.6%|Medium|| |0285|Inorder Successor in BST||45.4%|Medium|| |0286|Walls and Gates||57.9%|Medium|| |0287|Find the Duplicate Number|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0287.Find-the-Duplicate-Number)|58.3%|Medium|| |0288|Unique Word Abbreviation||24.1%|Medium|| |0289|Game of Life||61.3%|Medium|| |0290|Word Pattern|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0290.Word-Pattern)|39.1%|Easy|| |0291|Word Pattern II||45.4%|Medium|| |0292|Nim Game||55.3%|Easy|| |0293|Flip Game||62.0%|Easy|| |0294|Flip Game II||51.1%|Medium|| |0295|Find Median from Data Stream||49.5%|Hard|| |0296|Best Meeting Point||59.1%|Hard|| |0297|Serialize and Deserialize Binary Tree|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0297.Serialize-and-Deserialize-Binary-Tree)|52.2%|Hard|| |0298|Binary Tree Longest Consecutive Sequence||49.8%|Medium|| |0299|Bulls and Cows|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0299.Bulls-and-Cows)|46.2%|Medium|| |0300|Longest Increasing Subsequence|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0300.Longest-Increasing-Subsequence)|47.5%|Medium|| |0301|Remove Invalid Parentheses|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0301.Remove-Invalid-Parentheses)|46.0%|Hard|| |0302|Smallest Rectangle Enclosing Black Pixels||54.6%|Hard|| |0303|Range Sum Query - Immutable|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0303.Range-Sum-Query-Immutable)|53.0%|Easy|| |0304|Range Sum Query 2D - Immutable|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0304.Range-Sum-Query-2D-Immutable)|45.6%|Medium|| |0305|Number of Islands II||39.3%|Hard|| |0306|Additive Number|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0306.Additive-Number)|30.1%|Medium|| |0307|Range Sum Query - Mutable|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0307.Range-Sum-Query-Mutable)|38.2%|Medium|| |0308|Range Sum Query 2D - Mutable||40.0%|Hard|| |0309|Best Time to Buy and Sell Stock with Cooldown|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0309.Best-Time-to-Buy-and-Sell-Stock-with-Cooldown)|50.8%|Medium|| |0310|Minimum Height Trees||36.1%|Medium|| |0311|Sparse Matrix Multiplication||65.1%|Medium|| |0312|Burst Balloons||54.8%|Hard|| |0313|Super Ugly Number||46.6%|Medium|| |0314|Binary Tree Vertical Order Traversal||49.3%|Medium|| |0315|Count of Smaller Numbers After Self|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0315.Count-of-Smaller-Numbers-After-Self)|42.0%|Hard|| |0316|Remove Duplicate Letters||40.7%|Medium|| |0317|Shortest Distance from All Buildings||43.7%|Hard|| |0318|Maximum Product of Word Lengths|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0318.Maximum-Product-of-Word-Lengths)|56.0%|Medium|| |0319|Bulb Switcher||46.5%|Medium|| |0320|Generalized Abbreviation||55.2%|Medium|| |0321|Create Maximum Number||28.0%|Hard|| |0322|Coin Change|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0322.Coin-Change)|39.1%|Medium|| |0323|Number of Connected Components in an Undirected Graph||59.9%|Medium|| |0324|Wiggle Sort II|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0324.Wiggle-Sort-II)|31.6%|Medium|| |0325|Maximum Size Subarray Sum Equals k||48.5%|Medium|| |0326|Power of Three|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0326.Power-of-Three)|42.9%|Easy|| |0327|Count of Range Sum|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0327.Count-of-Range-Sum)|36.0%|Hard|| |0328|Odd Even Linked List|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0328.Odd-Even-Linked-List)|58.3%|Medium|| |0329|Longest Increasing Path in a Matrix|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0329.Longest-Increasing-Path-in-a-Matrix)|48.4%|Hard|| |0330|Patching Array||39.1%|Hard|| |0331|Verify Preorder Serialization of a Binary Tree|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0331.Verify-Preorder-Serialization-of-a-Binary-Tree)|43.4%|Medium|| |0332|Reconstruct Itinerary||39.4%|Hard|| |0333|Largest BST Subtree||39.9%|Medium|| |0334|Increasing Triplet Subsequence||41.1%|Medium|| |0335|Self Crossing||29.0%|Hard|| |0336|Palindrome Pairs||36.3%|Hard|| |0337|House Robber III|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0337.House-Robber-III)|52.5%|Medium|| |0338|Counting Bits|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0338.Counting-Bits)|72.0%|Easy|| |0339|Nested List Weight Sum||78.7%|Medium|| |0340|Longest Substring with At Most K Distinct Characters||46.7%|Medium|| |0341|Flatten Nested List Iterator|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0341.Flatten-Nested-List-Iterator)|57.6%|Medium|| |0342|Power of Four|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0342.Power-of-Four)|42.9%|Easy|| |0343|Integer Break|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0343.Integer-Break)|52.7%|Medium|| |0344|Reverse String|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0344.Reverse-String)|72.6%|Easy|| |0345|Reverse Vowels of a String|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0345.Reverse-Vowels-of-a-String)|46.3%|Easy|| |0346|Moving Average from Data Stream||75.0%|Easy|| |0347|Top K Frequent Elements|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0347.Top-K-Frequent-Elements)|63.8%|Medium|| |0348|Design Tic-Tac-Toe||56.7%|Medium|| |0349|Intersection of Two Arrays|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0349.Intersection-of-Two-Arrays)|67.5%|Easy|| |0350|Intersection of Two Arrays II|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0350.Intersection-of-Two-Arrays-II)|53.9%|Easy|| |0351|Android Unlock Patterns||50.5%|Medium|| |0352|Data Stream as Disjoint Intervals|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0352.Data-Stream-as-Disjoint-Intervals)|49.8%|Hard|| |0353|Design Snake Game||37.3%|Medium|| |0354|Russian Doll Envelopes|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0354.Russian-Doll-Envelopes)|39.2%|Hard|| |0355|Design Twitter||33.5%|Medium|| |0356|Line Reflection||33.9%|Medium|| |0357|Count Numbers with Unique Digits|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0357.Count-Numbers-with-Unique-Digits)|50.0%|Medium|| |0358|Rearrange String k Distance Apart||36.3%|Hard|| |0359|Logger Rate Limiter||74.1%|Easy|| |0360|Sort Transformed Array||51.8%|Medium|| |0361|Bomb Enemy||49.1%|Medium|| |0362|Design Hit Counter||66.6%|Medium|| |0363|Max Sum of Rectangle No Larger Than K||40.1%|Hard|| |0364|Nested List Weight Sum II||66.3%|Medium|| |0365|Water and Jug Problem||33.1%|Medium|| |0366|Find Leaves of Binary Tree||75.3%|Medium|| |0367|Valid Perfect Square|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0367.Valid-Perfect-Square)|42.6%|Easy|| |0368|Largest Divisible Subset|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0368.Largest-Divisible-Subset)|39.1%|Medium|| |0369|Plus One Linked List||60.0%|Medium|| |0370|Range Addition||66.7%|Medium|| |0371|Sum of Two Integers|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0371.Sum-of-Two-Integers)|50.7%|Medium|| |0372|Super Pow|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0372.Super-Pow)|37.5%|Medium|| |0373|Find K Pairs with Smallest Sums|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0373.Find-K-Pairs-with-Smallest-Sums)|38.9%|Medium|| |0374|Guess Number Higher or Lower|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0374.Guess-Number-Higher-or-Lower)|47.6%|Easy|| |0375|Guess Number Higher or Lower II||44.5%|Medium|| |0376|Wiggle Subsequence|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0376.Wiggle-Subsequence)|43.7%|Medium|| |0377|Combination Sum IV|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0377.Combination-Sum-IV)|48.1%|Medium|| |0378|Kth Smallest Element in a Sorted Matrix|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0378.Kth-Smallest-Element-in-a-Sorted-Matrix)|58.6%|Medium|| |0379|Design Phone Directory||49.7%|Medium|| |0380|Insert Delete GetRandom O(1)||50.7%|Medium|| |0381|Insert Delete GetRandom O(1) - Duplicates allowed||35.3%|Hard|| |0382|Linked List Random Node||55.3%|Medium|| |0383|Ransom Note||54.7%|Easy|| |0384|Shuffle an Array||56.0%|Medium|| |0385|Mini Parser|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0385.Mini-Parser)|35.3%|Medium|| |0386|Lexicographical Numbers|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0386.Lexicographical-Numbers)|57.0%|Medium|| |0387|First Unique Character in a String|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0387.First-Unique-Character-in-a-String)|55.7%|Easy|| |0388|Longest Absolute File Path||44.8%|Medium|| |0389|Find the Difference|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0389.Find-the-Difference)|58.8%|Easy|| |0390|Elimination Game||46.0%|Medium|| |0391|Perfect Rectangle||31.7%|Hard|| |0392|Is Subsequence|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0392.Is-Subsequence)|50.0%|Easy|| |0393|UTF-8 Validation|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0393.UTF-8-Validation)|38.9%|Medium|| |0394|Decode String|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0394.Decode-String)|54.7%|Medium|| |0395|Longest Substring with At Least K Repeating Characters|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0395.Longest-Substring-with-At-Least-K-Repeating-Characters)|44.3%|Medium|| |0396|Rotate Function||38.3%|Medium|| |0397|Integer Replacement|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0397.Integer-Replacement)|34.2%|Medium|| |0398|Random Pick Index||61.7%|Medium|| |0399|Evaluate Division|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0399.Evaluate-Division)|56.0%|Medium|| |0400|Nth Digit||33.0%|Medium|| |0401|Binary Watch|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0401.Binary-Watch)|49.7%|Easy|| |0402|Remove K Digits|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0402.Remove-K-Digits)|29.0%|Medium|| |0403|Frog Jump||42.4%|Hard|| |0404|Sum of Left Leaves|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0404.Sum-of-Left-Leaves)|54.2%|Easy|| |0405|Convert a Number to Hexadecimal|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0405.Convert-a-Number-to-Hexadecimal)|45.3%|Easy|| |0406|Queue Reconstruction by Height||69.5%|Medium|| |0407|Trapping Rain Water II||46.0%|Hard|| |0408|Valid Word Abbreviation||32.8%|Easy|| |0409|Longest Palindrome|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0409.Longest-Palindrome)|52.8%|Easy|| |0410|Split Array Largest Sum|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0410.Split-Array-Largest-Sum)|48.7%|Hard|| |0411|Minimum Unique Word Abbreviation||38.0%|Hard|| |0412|Fizz Buzz|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0412.Fizz-Buzz)|65.4%|Easy|| |0413|Arithmetic Slices|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0413.Arithmetic-Slices)|61.5%|Medium|| |0414|Third Maximum Number|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0414.Third-Maximum-Number)|31.1%|Easy|| |0415|Add Strings||50.9%|Easy|| |0416|Partition Equal Subset Sum|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0416.Partition-Equal-Subset-Sum)|45.7%|Medium|| |0417|Pacific Atlantic Water Flow|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0417.Pacific-Atlantic-Water-Flow)|46.7%|Medium|| |0418|Sentence Screen Fitting||34.9%|Medium|| |0419|Battleships in a Board||72.5%|Medium|| |0420|Strong Password Checker||13.9%|Hard|| |0421|Maximum XOR of Two Numbers in an Array|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0421.Maximum-XOR-of-Two-Numbers-in-an-Array)|55.0%|Medium|| |0422|Valid Word Square||38.5%|Easy|| |0423|Reconstruct Original Digits from English|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0423.Reconstruct-Original-Digits-from-English)|51.5%|Medium|| |0424|Longest Repeating Character Replacement|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0424.Longest-Repeating-Character-Replacement)|49.9%|Medium|| |0425|Word Squares||51.6%|Hard|| |0426|Convert Binary Search Tree to Sorted Doubly Linked List||63.4%|Medium|| |0427|Construct Quad Tree||64.0%|Medium|| |0428|Serialize and Deserialize N-ary Tree||63.5%|Hard|| |0429|N-ary Tree Level Order Traversal|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0429.N-ary-Tree-Level-Order-Traversal)|68.2%|Medium|| |0430|Flatten a Multilevel Doubly Linked List||58.5%|Medium|| |0431|Encode N-ary Tree to Binary Tree||75.8%|Hard|| |0432|All O`one Data Structure||34.7%|Hard|| |0433|Minimum Genetic Mutation|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0433.Minimum-Genetic-Mutation)|44.9%|Medium|| |0434|Number of Segments in a String|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0434.Number-of-Segments-in-a-String)|37.9%|Easy|| |0435|Non-overlapping Intervals|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0435.Non-overlapping-Intervals)|46.5%|Medium|| |0436|Find Right Interval|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0436.Find-Right-Interval)|49.0%|Medium|| |0437|Path Sum III|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0437.Path-Sum-III)|49.7%|Medium|| |0438|Find All Anagrams in a String|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0438.Find-All-Anagrams-in-a-String)|46.6%|Medium|| |0439|Ternary Expression Parser||57.5%|Medium|| |0440|K-th Smallest in Lexicographical Order||30.2%|Hard|| |0441|Arranging Coins|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0441.Arranging-Coins)|44.7%|Easy|| |0442|Find All Duplicates in an Array||71.4%|Medium|| |0443|String Compression||46.3%|Medium|| |0444|Sequence Reconstruction||24.0%|Medium|| |0445|Add Two Numbers II|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0445.Add-Two-Numbers-II)|57.8%|Medium|| |0446|Arithmetic Slices II - Subsequence||39.0%|Hard|| |0447|Number of Boomerangs|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0447.Number-of-Boomerangs)|53.2%|Medium|| |0448|Find All Numbers Disappeared in an Array|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0448.Find-All-Numbers-Disappeared-in-an-Array)|57.4%|Easy|| |0449|Serialize and Deserialize BST||55.4%|Medium|| |0450|Delete Node in a BST||47.0%|Medium|| |0451|Sort Characters By Frequency|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0451.Sort-Characters-By-Frequency)|66.8%|Medium|| |0452|Minimum Number of Arrows to Burst Balloons||50.7%|Medium|| |0453|Minimum Moves to Equal Array Elements|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0453.Minimum-Moves-to-Equal-Array-Elements)|52.8%|Medium|| |0454|4Sum II|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0454.4Sum-II)|55.6%|Medium|| |0455|Assign Cookies|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0455.Assign-Cookies)|50.6%|Easy|| |0456|132 Pattern|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0456.132-Pattern)|30.7%|Medium|| |0457|Circular Array Loop|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0457.Circular-Array-Loop)|31.1%|Medium|| |0458|Poor Pigs||55.1%|Hard|| |0459|Repeated Substring Pattern||43.4%|Easy|| |0460|LFU Cache|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0460.LFU-Cache)|38.4%|Hard|| |0461|Hamming Distance|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0461.Hamming-Distance)|73.7%|Easy|| |0462|Minimum Moves to Equal Array Elements II|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0462.Minimum-Moves-to-Equal-Array-Elements-II)|56.1%|Medium|| |0463|Island Perimeter|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0463.Island-Perimeter)|68.4%|Easy|| |0464|Can I Win||29.7%|Medium|| |0465|Optimal Account Balancing||48.6%|Hard|| |0466|Count The Repetitions||28.9%|Hard|| |0467|Unique Substrings in Wraparound String||37.0%|Medium|| |0468|Validate IP Address||25.9%|Medium|| |0469|Convex Polygon||38.0%|Medium|| |0470|Implement Rand10() Using Rand7()|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0470.Implement-Rand10-Using-Rand7)|46.4%|Medium|| |0471|Encode String with Shortest Length||50.7%|Hard|| |0472|Concatenated Words||42.9%|Hard|| |0473|Matchsticks to Square|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0473.Matchsticks-to-Square)|40.3%|Medium|| |0474|Ones and Zeroes|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0474.Ones-and-Zeroes)|44.0%|Medium|| |0475|Heaters|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0475.Heaters)|34.5%|Medium|| |0476|Number Complement|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0476.Number-Complement)|65.5%|Easy|| |0477|Total Hamming Distance|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0477.Total-Hamming-Distance)|51.5%|Medium|| |0478|Generate Random Point in a Circle|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0478.Generate-Random-Point-in-a-Circle)|39.1%|Medium|| |0479|Largest Palindrome Product||30.3%|Hard|| |0480|Sliding Window Median|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0480.Sliding-Window-Median)|40.3%|Hard|| |0481|Magical String||49.0%|Medium|| |0482|License Key Formatting||43.1%|Easy|| |0483|Smallest Good Base|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0483.Smallest-Good-Base)|37.3%|Hard|| |0484|Find Permutation||64.2%|Medium|| |0485|Max Consecutive Ones|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0485.Max-Consecutive-Ones)|54.4%|Easy|| |0486|Predict the Winner||49.7%|Medium|| |0487|Max Consecutive Ones II||48.3%|Medium|| |0488|Zuma Game|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0488.Zuma-Game)|37.6%|Hard|| |0489|Robot Room Cleaner||74.7%|Hard|| |0490|The Maze||54.0%|Medium|| |0491|Increasing Subsequences|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0491.Increasing-Subsequences)|49.6%|Medium|| |0492|Construct the Rectangle|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0492.Construct-the-Rectangle)|51.8%|Easy|| |0493|Reverse Pairs|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0493.Reverse-Pairs)|28.9%|Hard|| |0494|Target Sum|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0494.Target-Sum)|45.3%|Medium|| |0495|Teemo Attacking|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0495.Teemo-Attacking)|56.5%|Easy|| |0496|Next Greater Element I|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0496.Next-Greater-Element-I)|68.7%|Easy|| |0497|Random Point in Non-overlapping Rectangles|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0497.Random-Point-in-Non-overlapping-Rectangles)|39.1%|Medium|| |0498|Diagonal Traverse|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0498.Diagonal-Traverse)|53.6%|Medium|| |0499|The Maze III||44.0%|Hard|| |0500|Keyboard Row|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0500.Keyboard-Row)|67.1%|Easy|| |0501|Find Mode in Binary Search Tree||45.9%|Easy|| |0502|IPO||43.0%|Hard|| |0503|Next Greater Element II|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0503.Next-Greater-Element-II)|60.7%|Medium|| |0504|Base 7||47.1%|Easy|| |0505|The Maze II||50.4%|Medium|| |0506|Relative Ranks||54.4%|Easy|| |0507|Perfect Number|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0507.Perfect-Number)|37.3%|Easy|| |0508|Most Frequent Subtree Sum|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0508.Most-Frequent-Subtree-Sum)|61.4%|Medium|| |0509|Fibonacci Number|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0509.Fibonacci-Number)|67.8%|Easy|| |0510|Inorder Successor in BST II||61.5%|Medium|| |0511|Game Play Analysis I||81.2%|Easy|| |0512|Game Play Analysis II||55.0%|Easy|| |0513|Find Bottom Left Tree Value|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0513.Find-Bottom-Left-Tree-Value)|64.1%|Medium|| |0514|Freedom Trail||45.6%|Hard|| |0515|Find Largest Value in Each Tree Row|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0515.Find-Largest-Value-in-Each-Tree-Row)|63.7%|Medium|| |0516|Longest Palindromic Subsequence||58.1%|Medium|| |0517|Super Washing Machines||39.0%|Hard|| |0518|Coin Change 2|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0518.Coin-Change-2)|55.2%|Medium|| |0519|Random Flip Matrix||38.6%|Medium|| |0520|Detect Capital|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0520.Detect-Capital)|54.2%|Easy|| |0521|Longest Uncommon Subsequence I||59.8%|Easy|| |0522|Longest Uncommon Subsequence II||39.9%|Medium|| |0523|Continuous Subarray Sum|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0523.Continuous-Subarray-Sum)|26.2%|Medium|| |0524|Longest Word in Dictionary through Deleting|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0524.Longest-Word-in-Dictionary-through-Deleting)|50.7%|Medium|| |0525|Contiguous Array|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0525.Contiguous-Array)|44.6%|Medium|| |0526|Beautiful Arrangement|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0526.Beautiful-Arrangement)|63.5%|Medium|| |0527|Word Abbreviation||57.5%|Hard|| |0528|Random Pick with Weight|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0528.Random-Pick-with-Weight)|45.6%|Medium|| |0529|Minesweeper|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0529.Minesweeper)|63.5%|Medium|| |0530|Minimum Absolute Difference in BST|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0530.Minimum-Absolute-Difference-in-BST)|55.7%|Easy|| |0531|Lonely Pixel I||60.4%|Medium|| |0532|K-diff Pairs in an Array|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0532.K-diff-Pairs-in-an-Array)|37.0%|Medium|| |0533|Lonely Pixel II||48.3%|Medium|| |0534|Game Play Analysis III||81.1%|Medium|| |0535|Encode and Decode TinyURL|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0535.Encode-and-Decode-TinyURL)|83.1%|Medium|| |0536|Construct Binary Tree from String||54.5%|Medium|| |0537|Complex Number Multiplication|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0537.Complex-Number-Multiplication)|70.9%|Medium|| |0538|Convert BST to Greater Tree|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0538.Convert-BST-to-Greater-Tree)|61.7%|Medium|| |0539|Minimum Time Difference||53.0%|Medium|| |0540|Single Element in a Sorted Array||58.1%|Medium|| |0541|Reverse String II|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0541.Reverse-String-II)|49.9%|Easy|| |0542|01 Matrix|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0542.01-Matrix)|43.2%|Medium|| |0543|Diameter of Binary Tree|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0543.Diameter-of-Binary-Tree)|52.5%|Easy|| |0544|Output Contest Matches||76.3%|Medium|| |0545|Boundary of Binary Tree||42.0%|Medium|| |0546|Remove Boxes||47.3%|Hard|| |0547|Number of Provinces|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0547.Number-of-Provinces)|62.2%|Medium|| |0548|Split Array with Equal Sum||49.5%|Hard|| |0549|Binary Tree Longest Consecutive Sequence II||48.3%|Medium|| |0550|Game Play Analysis IV||44.7%|Medium|| |0551|Student Attendance Record I|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0551.Student-Attendance-Record-I)|47.0%|Easy|| |0552|Student Attendance Record II||39.5%|Hard|| |0553|Optimal Division||58.4%|Medium|| |0554|Brick Wall|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0554.Brick-Wall)|52.2%|Medium|| |0555|Split Concatenated Strings||43.1%|Medium|| |0556|Next Greater Element III||33.4%|Medium|| |0557|Reverse Words in a String III|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0557.Reverse-Words-in-a-String-III)|75.8%|Easy|| |0558|Logical OR of Two Binary Grids Represented as Quad-Trees||46.7%|Medium|| |0559|Maximum Depth of N-ary Tree||70.4%|Easy|| |0560|Subarray Sum Equals K||43.7%|Medium|| |0561|Array Partition I|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0561.Array-Partition-I)|74.8%|Easy|| |0562|Longest Line of Consecutive One in Matrix||48.3%|Medium|| |0563|Binary Tree Tilt|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0563.Binary-Tree-Tilt)|54.9%|Easy|| |0564|Find the Closest Palindrome||20.9%|Hard|| |0565|Array Nesting||56.1%|Medium|| |0566|Reshape the Matrix|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0566.Reshape-the-Matrix)|62.0%|Easy|| |0567|Permutation in String|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0567.Permutation-in-String)|44.4%|Medium|| |0568|Maximum Vacation Days||42.5%|Hard|| |0569|Median Employee Salary||65.2%|Hard|| |0570|Managers with at Least 5 Direct Reports||67.2%|Medium|| |0571|Find Median Given Frequency of Numbers||45.3%|Hard|| |0572|Subtree of Another Tree|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0572.Subtree-of-Another-Tree)|44.9%|Easy|| |0573|Squirrel Simulation||54.6%|Medium|| |0574|Winning Candidate||56.0%|Medium|| |0575|Distribute Candies|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0575.Distribute-Candies)|65.1%|Easy|| |0576|Out of Boundary Paths|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0576.Out-of-Boundary-Paths)|39.8%|Medium|| |0577|Employee Bonus||74.2%|Easy|| |0578|Get Highest Answer Rate Question||42.9%|Medium|| |0579|Find Cumulative Salary of an Employee||40.4%|Hard|| |0580|Count Student Number in Departments||54.7%|Medium|| |0581|Shortest Unsorted Continuous Subarray|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0581.Shortest-Unsorted-Continuous-Subarray)|33.6%|Medium|| |0582|Kill Process||65.3%|Medium|| |0583|Delete Operation for Two Strings|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0583.Delete-Operation-for-Two-Strings)|53.9%|Medium|| |0584|Find Customer Referee||75.5%|Easy|| |0585|Investments in 2016||57.9%|Medium|| |0586|Customer Placing the Largest Number of Orders||75.3%|Easy|| |0587|Erect the Fence||43.3%|Hard|| |0588|Design In-Memory File System||47.4%|Hard|| |0589|N-ary Tree Preorder Traversal|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0589.N-ary-Tree-Preorder-Traversal)|75.2%|Easy|| |0590|N-ary Tree Postorder Traversal||75.3%|Easy|| |0591|Tag Validator||35.8%|Hard|| |0592|Fraction Addition and Subtraction||51.3%|Medium|| |0593|Valid Square||43.6%|Medium|| |0594|Longest Harmonious Subsequence|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0594.Longest-Harmonious-Subsequence)|52.1%|Easy|| |0595|Big Countries||79.6%|Easy|| |0596|Classes More Than 5 Students||39.6%|Easy|| |0597|Friend Requests I: Overall Acceptance Rate||42.6%|Easy|| |0598|Range Addition II|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0598.Range-Addition-II)|54.3%|Easy|| |0599|Minimum Index Sum of Two Lists|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0599.Minimum-Index-Sum-of-Two-Lists)|52.8%|Easy|| |0600|Non-negative Integers without Consecutive Ones||38.4%|Hard|| |0601|Human Traffic of Stadium||48.3%|Hard|| |0602|Friend Requests II: Who Has the Most Friends||60.0%|Medium|| |0603|Consecutive Available Seats||67.4%|Easy|| |0604|Design Compressed String Iterator||38.7%|Easy|| |0605|Can Place Flowers|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0605.Can-Place-Flowers)|31.8%|Easy|| |0606|Construct String from Binary Tree||56.8%|Easy|| |0607|Sales Person||67.1%|Easy|| |0608|Tree Node||70.2%|Medium|| |0609|Find Duplicate File in System|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0609.Find-Duplicate-File-in-System)|63.4%|Medium|| |0610|Triangle Judgement||70.3%|Easy|| |0611|Valid Triangle Number|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0611.Valid-Triangle-Number)|49.3%|Medium|| |0612|Shortest Distance in a Plane||62.7%|Medium|| |0613|Shortest Distance in a Line||80.7%|Easy|| |0614|Second Degree Follower||34.0%|Medium|| |0615|Average Salary: Departments VS Company||55.5%|Hard|| |0616|Add Bold Tag in String||46.4%|Medium|| |0617|Merge Two Binary Trees|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0617.Merge-Two-Binary-Trees)|76.9%|Easy|| |0618|Students Report By Geography||62.9%|Hard|| |0619|Biggest Single Number||46.6%|Easy|| |0620|Not Boring Movies||71.8%|Easy|| |0621|Task Scheduler||53.7%|Medium|| |0622|Design Circular Queue|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0622.Design-Circular-Queue)|48.2%|Medium|| |0623|Add One Row to Tree|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0623.Add-One-Row-to-Tree)|53.5%|Medium|| |0624|Maximum Distance in Arrays||40.0%|Medium|| |0625|Minimum Factorization||33.2%|Medium|| |0626|Exchange Seats||68.2%|Medium|| |0627|Swap Salary||79.8%|Easy|| |0628|Maximum Product of Three Numbers|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0628.Maximum-Product-of-Three-Numbers)|46.7%|Easy|| |0629|K Inverse Pairs Array||37.2%|Hard|| |0630|Course Schedule III|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0630.Course-Schedule-III)|35.3%|Hard|| |0631|Design Excel Sum Formula||37.7%|Hard|| |0632|Smallest Range Covering Elements from K Lists|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0632.Smallest-Range-Covering-Elements-from-K-Lists)|56.8%|Hard|| |0633|Sum of Square Numbers|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0633.Sum-of-Square-Numbers)|34.6%|Medium|| |0634|Find the Derangement of An Array||40.8%|Medium|| |0635|Design Log Storage System||61.6%|Medium|| |0636|Exclusive Time of Functions|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0636.Exclusive-Time-of-Functions)|58.1%|Medium|| |0637|Average of Levels in Binary Tree|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0637.Average-of-Levels-in-Binary-Tree)|67.5%|Easy|| |0638|Shopping Offers|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0638.Shopping-Offers)|54.2%|Medium|| |0639|Decode Ways II||30.3%|Hard|| |0640|Solve the Equation||43.2%|Medium|| |0641|Design Circular Deque||56.8%|Medium|| |0642|Design Search Autocomplete System||47.7%|Hard|| |0643|Maximum Average Subarray I|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0643.Maximum-Average-Subarray-I)|42.8%|Easy|| |0644|Maximum Average Subarray II||34.9%|Hard|| |0645|Set Mismatch|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0645.Set-Mismatch)|41.1%|Easy|| |0646|Maximum Length of Pair Chain||54.9%|Medium|| |0647|Palindromic Substrings|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0647.Palindromic-Substrings)|63.7%|Medium|| |0648|Replace Words|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0648.Replace-Words)|61.0%|Medium|| |0649|Dota2 Senate||39.8%|Medium|| |0650|2 Keys Keyboard||51.6%|Medium|| |0651|4 Keys Keyboard||53.6%|Medium|| |0652|Find Duplicate Subtrees||54.8%|Medium|| |0653|Two Sum IV - Input is a BST|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0653.Two-Sum-IV-Input-is-a-BST)|58.0%|Easy|| |0654|Maximum Binary Tree||82.7%|Medium|| |0655|Print Binary Tree||58.1%|Medium|| |0656|Coin Path||30.7%|Hard|| |0657|Robot Return to Origin||74.8%|Easy|| |0658|Find K Closest Elements|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0658.Find-K-Closest-Elements)|43.8%|Medium|| |0659|Split Array into Consecutive Subsequences||45.1%|Medium|| |0660|Remove 9||54.6%|Hard|| |0661|Image Smoother|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0661.Image-Smoother)|53.3%|Easy|| |0662|Maximum Width of Binary Tree|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0662.Maximum-Width-of-Binary-Tree)|39.6%|Medium|| |0663|Equal Tree Partition||40.9%|Medium|| |0664|Strange Printer||43.4%|Hard|| |0665|Non-decreasing Array|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0665.Non-decreasing-Array)|21.2%|Medium|| |0666|Path Sum IV||58.0%|Medium|| |0667|Beautiful Arrangement II|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0667.Beautiful-Arrangement-II)|59.1%|Medium|| |0668|Kth Smallest Number in Multiplication Table|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0668.Kth-Smallest-Number-in-Multiplication-Table)|49.0%|Hard|| |0669|Trim a Binary Search Tree|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0669.Trim-a-Binary-Search-Tree)|64.4%|Medium|| |0670|Maximum Swap||46.5%|Medium|| |0671|Second Minimum Node In a Binary Tree||43.2%|Easy|| |0672|Bulb Switcher II||50.8%|Medium|| |0673|Number of Longest Increasing Subsequence||39.8%|Medium|| |0674|Longest Continuous Increasing Subsequence|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0674.Longest-Continuous-Increasing-Subsequence)|47.5%|Easy|| |0675|Cut Off Trees for Golf Event||35.4%|Hard|| |0676|Implement Magic Dictionary|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0676.Implement-Magic-Dictionary)|56.1%|Medium|| |0677|Map Sum Pairs|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0677.Map-Sum-Pairs)|56.9%|Medium|| |0678|Valid Parenthesis String||32.5%|Medium|| |0679|24 Game||48.1%|Hard|| |0680|Valid Palindrome II||38.0%|Easy|| |0681|Next Closest Time||46.3%|Medium|| |0682|Baseball Game|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0682.Baseball-Game)|68.7%|Easy|| |0683|K Empty Slots||36.5%|Hard|| |0684|Redundant Connection|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0684.Redundant-Connection)|60.5%|Medium|| |0685|Redundant Connection II|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0685.Redundant-Connection-II)|33.4%|Hard|| |0686|Repeated String Match||33.2%|Medium|| |0687|Longest Univalue Path||38.7%|Medium|| |0688|Knight Probability in Chessboard||51.1%|Medium|| |0689|Maximum Sum of 3 Non-Overlapping Subarrays||48.0%|Hard|| |0690|Employee Importance|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0690.Employee-Importance)|61.8%|Medium|| |0691|Stickers to Spell Word||46.5%|Hard|| |0692|Top K Frequent Words|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0692.Top-K-Frequent-Words)|53.9%|Medium|| |0693|Binary Number with Alternating Bits|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0693.Binary-Number-with-Alternating-Bits)|60.5%|Easy|| |0694|Number of Distinct Islands||59.1%|Medium|| |0695|Max Area of Island|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0695.Max-Area-of-Island)|68.1%|Medium|| |0696|Count Binary Substrings|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0696.Count-Binary-Substrings)|63.1%|Easy|| |0697|Degree of an Array|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0697.Degree-of-an-Array)|55.2%|Easy|| |0698|Partition to K Equal Sum Subsets||45.8%|Medium|| |0699|Falling Squares|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0699.Falling-Squares)|43.5%|Hard|| |0700|Search in a Binary Search Tree||74.4%|Easy|| |0701|Insert into a Binary Search Tree||74.7%|Medium|| |0702|Search in a Sorted Array of Unknown Size||69.9%|Medium|| |0703|Kth Largest Element in a Stream|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0703.Kth-Largest-Element-in-a-Stream)|52.0%|Easy|| |0704|Binary Search|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0704.Binary-Search)|54.6%|Easy|| |0705|Design HashSet|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0705.Design-HashSet)|63.8%|Easy|| |0706|Design HashMap|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0706.Design-HashMap)|63.8%|Easy|| |0707|Design Linked List|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0707.Design-Linked-List)|26.5%|Medium|| |0708|Insert into a Sorted Circular Linked List||33.5%|Medium|| |0709|To Lower Case|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0709.To-Lower-Case)|80.8%|Easy|| |0710|Random Pick with Blacklist|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0710.Random-Pick-with-Blacklist)|33.1%|Hard|| |0711|Number of Distinct Islands II||50.6%|Hard|| |0712|Minimum ASCII Delete Sum for Two Strings||60.7%|Medium|| |0713|Subarray Product Less Than K|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0713.Subarray-Product-Less-Than-K)|42.1%|Medium|| |0714|Best Time to Buy and Sell Stock with Transaction Fee|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0714.Best-Time-to-Buy-and-Sell-Stock-with-Transaction-Fee)|60.2%|Medium|| |0715|Range Module|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0715.Range-Module)|42.6%|Hard|| |0716|Max Stack||44.2%|Easy|| |0717|1-bit and 2-bit Characters|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0717.1-bit-and-2-bit-Characters)|46.3%|Easy|| |0718|Maximum Length of Repeated Subarray|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0718.Maximum-Length-of-Repeated-Subarray)|51.3%|Medium|| |0719|Find K-th Smallest Pair Distance|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0719.Find-K-th-Smallest-Pair-Distance)|33.8%|Hard|| |0720|Longest Word in Dictionary|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0720.Longest-Word-in-Dictionary)|50.3%|Medium|| |0721|Accounts Merge|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0721.Accounts-Merge)|54.3%|Medium|| |0722|Remove Comments||37.1%|Medium|| |0723|Candy Crush||74.2%|Medium|| |0724|Find Pivot Index|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0724.Find-Pivot-Index)|49.4%|Easy|| |0725|Split Linked List in Parts|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0725.Split-Linked-List-in-Parts)|56.2%|Medium|| |0726|Number of Atoms|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0726.Number-of-Atoms)|51.5%|Hard|| |0727|Minimum Window Subsequence||42.8%|Hard|| |0728|Self Dividing Numbers||76.5%|Easy|| |0729|My Calendar I|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0729.My-Calendar-I)|54.7%|Medium|| |0730|Count Different Palindromic Subsequences||43.8%|Hard|| |0731|My Calendar II||52.5%|Medium|| |0732|My Calendar III|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0732.My-Calendar-III)|65.5%|Hard|| |0733|Flood Fill|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0733.Flood-Fill)|56.9%|Easy|| |0734|Sentence Similarity||42.7%|Easy|| |0735|Asteroid Collision|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0735.Asteroid-Collision)|44.1%|Medium|| |0736|Parse Lisp Expression||50.8%|Hard|| |0737|Sentence Similarity II||47.4%|Medium|| |0738|Monotone Increasing Digits||46.4%|Medium|| |0739|Daily Temperatures|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0739.Daily-Temperatures)|66.3%|Medium|| |0740|Delete and Earn||53.7%|Medium|| |0741|Cherry Pickup||36.0%|Hard|| |0742|Closest Leaf in a Binary Tree||44.8%|Medium|| |0743|Network Delay Time||47.1%|Medium|| |0744|Find Smallest Letter Greater Than Target|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0744.Find-Smallest-Letter-Greater-Than-Target)|45.8%|Easy|| |0745|Prefix and Suffix Search|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0745.Prefix-and-Suffix-Search)|35.7%|Hard|| |0746|Min Cost Climbing Stairs|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0746.Min-Cost-Climbing-Stairs)|56.0%|Easy|| |0747|Largest Number At Least Twice of Others||44.4%|Easy|| |0748|Shortest Completing Word|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0748.Shortest-Completing-Word)|58.4%|Easy|| |0749|Contain Virus||49.4%|Hard|| |0750|Number Of Corner Rectangles||67.5%|Medium|| |0751|IP to CIDR||55.9%|Medium|| |0752|Open the Lock|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0752.Open-the-Lock)|55.0%|Medium|| |0753|Cracking the Safe|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0753.Cracking-the-Safe)|53.8%|Hard|| |0754|Reach a Number||41.4%|Medium|| |0755|Pour Water||45.0%|Medium|| |0756|Pyramid Transition Matrix|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0756.Pyramid-Transition-Matrix)|55.5%|Medium|| |0757|Set Intersection Size At Least Two||42.8%|Hard|| |0758|Bold Words in String||49.3%|Medium|| |0759|Employee Free Time||70.2%|Hard|| |0760|Find Anagram Mappings||82.4%|Easy|| |0761|Special Binary String||59.4%|Hard|| |0762|Prime Number of Set Bits in Binary Representation|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0762.Prime-Number-of-Set-Bits-in-Binary-Representation)|65.8%|Easy|| |0763|Partition Labels|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0763.Partition-Labels)|78.4%|Medium|| |0764|Largest Plus Sign||48.5%|Medium|| |0765|Couples Holding Hands|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0765.Couples-Holding-Hands)|56.1%|Hard|| |0766|Toeplitz Matrix|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0766.Toeplitz-Matrix)|66.8%|Easy|| |0767|Reorganize String|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0767.Reorganize-String)|51.2%|Medium|| |0768|Max Chunks To Make Sorted II||51.3%|Hard|| |0769|Max Chunks To Make Sorted||56.9%|Medium|| |0770|Basic Calculator IV||55.3%|Hard|| |0771|Jewels and Stones|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0771.Jewels-and-Stones)|87.4%|Easy|| |0772|Basic Calculator III||46.2%|Hard|| |0773|Sliding Puzzle||62.5%|Hard|| |0774|Minimize Max Distance to Gas Station||49.8%|Hard|| |0775|Global and Local Inversions|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0775.Global-and-Local-Inversions)|45.7%|Medium|| |0776|Split BST||57.8%|Medium|| |0777|Swap Adjacent in LR String||35.8%|Medium|| |0778|Swim in Rising Water|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0778.Swim-in-Rising-Water)|58.1%|Hard|| |0779|K-th Symbol in Grammar||39.4%|Medium|| |0780|Reaching Points||30.9%|Hard|| |0781|Rabbits in Forest|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0781.Rabbits-in-Forest)|55.8%|Medium|| |0782|Transform to Chessboard||51.9%|Hard|| |0783|Minimum Distance Between BST Nodes|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0783.Minimum-Distance-Between-BST-Nodes)|55.3%|Easy|| |0784|Letter Case Permutation|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0784.Letter-Case-Permutation)|70.6%|Medium|| |0785|Is Graph Bipartite?|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0785.Is-Graph-Bipartite)|49.6%|Medium|| |0786|K-th Smallest Prime Fraction|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0786.K-th-Smallest-Prime-Fraction)|47.0%|Hard|| |0787|Cheapest Flights Within K Stops||36.7%|Medium|| |0788|Rotated Digits||57.3%|Medium|| |0789|Escape The Ghosts||59.6%|Medium|| |0790|Domino and Tromino Tiling||41.4%|Medium|| |0791|Custom Sort String|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0791.Custom-Sort-String)|67.6%|Medium|| |0792|Number of Matching Subsequences|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0792.Number-of-Matching-Subsequences)|49.9%|Medium|| |0793|Preimage Size of Factorial Zeroes Function|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0793.Preimage-Size-of-Factorial-Zeroes-Function)|41.0%|Hard|| |0794|Valid Tic-Tac-Toe State||34.9%|Medium|| |0795|Number of Subarrays with Bounded Maximum|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0795.Number-of-Subarrays-with-Bounded-Maximum)|52.2%|Medium|| |0796|Rotate String||50.4%|Easy|| |0797|All Paths From Source to Target||79.7%|Medium|| |0798|Smallest Rotation with Highest Score||46.6%|Hard|| |0799|Champagne Tower||44.6%|Medium|| |0800|Similar RGB Color||63.3%|Easy|| |0801|Minimum Swaps To Make Sequences Increasing||39.1%|Hard|| |0802|Find Eventual Safe States|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0802.Find-Eventual-Safe-States)|51.3%|Medium|| |0803|Bricks Falling When Hit|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0803.Bricks-Falling-When-Hit)|33.2%|Hard|| |0804|Unique Morse Code Words||79.5%|Easy|| |0805|Split Array With Same Average||26.5%|Hard|| |0806|Number of Lines To Write String||65.8%|Easy|| |0807|Max Increase to Keep City Skyline||85.1%|Medium|| |0808|Soup Servings||41.8%|Medium|| |0809|Expressive Words||46.2%|Medium|| |0810|Chalkboard XOR Game|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0810.Chalkboard-XOR-Game)|51.9%|Hard|| |0811|Subdomain Visit Count|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0811.Subdomain-Visit-Count)|73.2%|Medium|| |0812|Largest Triangle Area|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0812.Largest-Triangle-Area)|59.4%|Easy|| |0813|Largest Sum of Averages||51.9%|Medium|| |0814|Binary Tree Pruning||71.1%|Medium|| |0815|Bus Routes|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0815.Bus-Routes)|44.6%|Hard|| |0816|Ambiguous Coordinates|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0816.Ambiguous-Coordinates)|55.7%|Medium|| |0817|Linked List Components|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0817.Linked-List-Components)|57.9%|Medium|| |0818|Race Car||41.4%|Hard|| |0819|Most Common Word|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0819.Most-Common-Word)|45.3%|Easy|| |0820|Short Encoding of Words|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0820.Short-Encoding-of-Words)|55.1%|Medium|| |0821|Shortest Distance to a Character|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0821.Shortest-Distance-to-a-Character)|70.7%|Easy|| |0822|Card Flipping Game||44.2%|Medium|| |0823|Binary Trees With Factors|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0823.Binary-Trees-With-Factors)|43.6%|Medium|| |0824|Goat Latin||67.3%|Easy|| |0825|Friends Of Appropriate Ages||44.9%|Medium|| |0826|Most Profit Assigning Work|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0826.Most-Profit-Assigning-Work)|40.4%|Medium|| |0827|Making A Large Island||44.2%|Hard|| |0828|Count Unique Characters of All Substrings of a Given String|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0828.Count-Unique-Characters-of-All-Substrings-of-a-Given-String)|48.0%|Hard|| |0829|Consecutive Numbers Sum||40.3%|Hard|| |0830|Positions of Large Groups|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0830.Positions-of-Large-Groups)|51.1%|Easy|| |0831|Masking Personal Information||45.4%|Medium|| |0832|Flipping an Image|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0832.Flipping-an-Image)|79.1%|Easy|| |0833|Find And Replace in String||53.1%|Medium|| |0834|Sum of Distances in Tree|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0834.Sum-of-Distances-in-Tree)|52.4%|Hard|| |0835|Image Overlap||61.3%|Medium|| |0836|Rectangle Overlap|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0836.Rectangle-Overlap)|42.9%|Easy|| |0837|New 21 Game||35.9%|Medium|| |0838|Push Dominoes|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0838.Push-Dominoes)|52.0%|Medium|| |0839|Similar String Groups|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0839.Similar-String-Groups)|44.1%|Hard|| |0840|Magic Squares In Grid||38.2%|Medium|| |0841|Keys and Rooms|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0841.Keys-and-Rooms)|67.8%|Medium|| |0842|Split Array into Fibonacci Sequence|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0842.Split-Array-into-Fibonacci-Sequence)|37.4%|Medium|| |0843|Guess the Word||44.1%|Hard|| |0844|Backspace String Compare|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0844.Backspace-String-Compare)|47.4%|Easy|| |0845|Longest Mountain in Array|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0845.Longest-Mountain-in-Array)|39.3%|Medium|| |0846|Hand of Straights||55.9%|Medium|| |0847|Shortest Path Visiting All Nodes||55.6%|Hard|| |0848|Shifting Letters||45.5%|Medium|| |0849|Maximize Distance to Closest Person||44.9%|Medium|| |0850|Rectangle Area II|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0850.Rectangle-Area-II)|52.8%|Hard|| |0851|Loud and Rich|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0851.Loud-and-Rich)|55.0%|Medium|| |0852|Peak Index in a Mountain Array|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0852.Peak-Index-in-a-Mountain-Array)|71.4%|Easy|| |0853|Car Fleet|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0853.Car-Fleet)|47.0%|Medium|| |0854|K-Similar Strings||38.9%|Hard|| |0855|Exam Room||43.5%|Medium|| |0856|Score of Parentheses|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0856.Score-of-Parentheses)|65.5%|Medium|| |0857|Minimum Cost to Hire K Workers||51.3%|Hard|| |0858|Mirror Reflection||59.5%|Medium|| |0859|Buddy Strings||28.6%|Easy|| |0860|Lemonade Change||52.2%|Easy|| |0861|Score After Flipping Matrix||74.4%|Medium|| |0862|Shortest Subarray with Sum at Least K|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0862.Shortest-Subarray-with-Sum-at-Least-K)|25.9%|Hard|| |0863|All Nodes Distance K in Binary Tree|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0863.All-Nodes-Distance-K-in-Binary-Tree)|59.9%|Medium|| |0864|Shortest Path to Get All Keys|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0864.Shortest-Path-to-Get-All-Keys)|43.5%|Hard|| |0865|Smallest Subtree with all the Deepest Nodes||66.6%|Medium|| |0866|Prime Palindrome||25.3%|Medium|| |0867|Transpose Matrix|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0867.Transpose-Matrix)|61.4%|Easy|| |0868|Binary Gap||61.6%|Easy|| |0869|Reordered Power of 2|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0869.Reordered-Power-of-2)|61.3%|Medium|| |0870|Advantage Shuffle|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0870.Advantage-Shuffle)|51.0%|Medium|| |0871|Minimum Number of Refueling Stops||35.3%|Hard|| |0872|Leaf-Similar Trees|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0872.Leaf-Similar-Trees)|64.7%|Easy|| |0873|Length of Longest Fibonacci Subsequence||48.5%|Medium|| |0874|Walking Robot Simulation|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0874.Walking-Robot-Simulation)|37.2%|Medium|| |0875|Koko Eating Bananas|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0875.Koko-Eating-Bananas)|54.2%|Medium|| |0876|Middle of the Linked List|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0876.Middle-of-the-Linked-List)|70.7%|Easy|| |0877|Stone Game|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0877.Stone-Game)|68.7%|Medium|| |0878|Nth Magical Number|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0878.Nth-Magical-Number)|29.5%|Hard|| |0879|Profitable Schemes||40.4%|Hard|| |0880|Decoded String at Index|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0880.Decoded-String-at-Index)|28.3%|Medium|| |0881|Boats to Save People|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0881.Boats-to-Save-People)|49.6%|Medium|| |0882|Reachable Nodes In Subdivided Graph||49.5%|Hard|| |0883|Projection Area of 3D Shapes||69.4%|Easy|| |0884|Uncommon Words from Two Sentences|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0884.Uncommon-Words-from-Two-Sentences)|64.9%|Easy|| |0885|Spiral Matrix III|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0885.Spiral-Matrix-III)|71.9%|Medium|| |0886|Possible Bipartition||46.4%|Medium|| |0887|Super Egg Drop|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0887.Super-Egg-Drop)|27.0%|Hard|| |0888|Fair Candy Swap|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0888.Fair-Candy-Swap)|60.0%|Easy|| |0889|Construct Binary Tree from Preorder and Postorder Traversal||69.1%|Medium|| |0890|Find and Replace Pattern|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0890.Find-and-Replace-Pattern)|75.5%|Medium|| |0891|Sum of Subsequence Widths|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0891.Sum-of-Subsequence-Widths)|34.0%|Hard|| |0892|Surface Area of 3D Shapes|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0892.Surface-Area-of-3D-Shapes)|60.9%|Easy|| |0893|Groups of Special-Equivalent Strings||70.1%|Medium|| |0894|All Possible Full Binary Trees||78.9%|Medium|| |0895|Maximum Frequency Stack|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0895.Maximum-Frequency-Stack)|64.2%|Hard|| |0896|Monotonic Array|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0896.Monotonic-Array)|58.1%|Easy|| |0897|Increasing Order Search Tree|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0897.Increasing-Order-Search-Tree)|75.6%|Easy|| |0898|Bitwise ORs of Subarrays|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0898.Bitwise-ORs-of-Subarrays)|36.2%|Medium|| |0899|Orderly Queue||58.2%|Hard|| |0900|RLE Iterator||57.7%|Medium|| |0901|Online Stock Span|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0901.Online-Stock-Span)|62.4%|Medium|| |0902|Numbers At Most N Given Digit Set||36.4%|Hard|| |0903|Valid Permutations for DI Sequence||56.7%|Hard|| |0904|Fruit Into Baskets|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0904.Fruit-Into-Baskets)|43.1%|Medium|| |0905|Sort Array By Parity||74.9%|Easy|| |0906|Super Palindromes||39.0%|Hard|| |0907|Sum of Subarray Minimums|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0907.Sum-of-Subarray-Minimums)|33.0%|Medium|| |0908|Smallest Range I||66.9%|Easy|| |0909|Snakes and Ladders|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0909.Snakes-and-Ladders)|39.7%|Medium|| |0910|Smallest Range II|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0910.Smallest-Range-II)|31.9%|Medium|| |0911|Online Election|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0911.Online-Election)|51.6%|Medium|| |0912|Sort an Array||62.7%|Medium|| |0913|Cat and Mouse||35.0%|Hard|| |0914|X of a Kind in a Deck of Cards|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0914.X-of-a-Kind-in-a-Deck-of-Cards)|33.6%|Easy|| |0915|Partition Array into Disjoint Intervals||48.1%|Medium|| |0916|Word Subsets|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0916.Word-Subsets)|52.9%|Medium|| |0917|Reverse Only Letters||60.6%|Easy|| |0918|Maximum Sum Circular Subarray|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0918.Maximum-Sum-Circular-Subarray)|35.7%|Medium|| |0919|Complete Binary Tree Inserter||62.4%|Medium|| |0920|Number of Music Playlists|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0920.Number-of-Music-Playlists)|48.8%|Hard|| |0921|Minimum Add to Make Parentheses Valid|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0921.Minimum-Add-to-Make-Parentheses-Valid)|77.1%|Medium|| |0922|Sort Array By Parity II|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0922.Sort-Array-By-Parity-II)|70.6%|Easy|| |0923|3Sum With Multiplicity|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0923.3Sum-With-Multiplicity)|41.2%|Medium|| |0924|Minimize Malware Spread|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0924.Minimize-Malware-Spread)|41.8%|Hard|| |0925|Long Pressed Name|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0925.Long-Pressed-Name)|35.5%|Easy|| |0926|Flip String to Monotone Increasing||57.0%|Medium|| |0927|Three Equal Parts|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0927.Three-Equal-Parts)|39.2%|Hard|| |0928|Minimize Malware Spread II|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0928.Minimize-Malware-Spread-II)|41.8%|Hard|| |0929|Unique Email Addresses||67.4%|Easy|| |0930|Binary Subarrays With Sum|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0930.Binary-Subarrays-With-Sum)|47.4%|Medium|| |0931|Minimum Falling Path Sum||65.9%|Medium|| |0932|Beautiful Array||63.8%|Medium|| |0933|Number of Recent Calls|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0933.Number-of-Recent-Calls)|72.9%|Easy|| |0934|Shortest Bridge||51.7%|Medium|| |0935|Knight Dialer||48.3%|Medium|| |0936|Stamping The Sequence||53.5%|Hard|| |0937|Reorder Data in Log Files||55.6%|Easy|| |0938|Range Sum of BST|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0938.Range-Sum-of-BST)|84.1%|Easy|| |0939|Minimum Area Rectangle||53.0%|Medium|| |0940|Distinct Subsequences II||43.3%|Hard|| |0941|Valid Mountain Array||32.4%|Easy|| |0942|DI String Match|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0942.DI-String-Match)|75.0%|Easy|| |0943|Find the Shortest Superstring||45.5%|Hard|| |0944|Delete Columns to Make Sorted||70.3%|Easy|| |0945|Minimum Increment to Make Array Unique||48.1%|Medium|| |0946|Validate Stack Sequences|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0946.Validate-Stack-Sequences)|64.9%|Medium|| |0947|Most Stones Removed with Same Row or Column|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0947.Most-Stones-Removed-with-Same-Row-or-Column)|56.2%|Medium|| |0948|Bag of Tokens||46.1%|Medium|| |0949|Largest Time for Given Digits|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0949.Largest-Time-for-Given-Digits)|35.8%|Medium|| |0950|Reveal Cards In Increasing Order||76.4%|Medium|| |0951|Flip Equivalent Binary Trees||66.4%|Medium|| |0952|Largest Component Size by Common Factor|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0952.Largest-Component-Size-by-Common-Factor)|37.1%|Hard|| |0953|Verifying an Alien Dictionary|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0953.Verifying-an-Alien-Dictionary)|52.2%|Easy|| |0954|Array of Doubled Pairs||37.2%|Medium|| |0955|Delete Columns to Make Sorted II||34.1%|Medium|| |0956|Tallest Billboard||39.8%|Hard|| |0957|Prison Cells After N Days||39.7%|Medium|| |0958|Check Completeness of a Binary Tree|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0958.Check-Completeness-of-a-Binary-Tree)|52.9%|Medium|| |0959|Regions Cut By Slashes|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0959.Regions-Cut-By-Slashes)|68.3%|Medium|| |0960|Delete Columns to Make Sorted III||56.2%|Hard|| |0961|N-Repeated Element in Size 2N Array|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0961.N-Repeated-Element-in-Size-2N-Array)|75.1%|Easy|| |0962|Maximum Width Ramp||47.5%|Medium|| |0963|Minimum Area Rectangle II||53.8%|Medium|| |0964|Least Operators to Express Number||46.6%|Hard|| |0965|Univalued Binary Tree||68.5%|Easy|| |0966|Vowel Spellchecker|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0966.Vowel-Spellchecker)|51.7%|Medium|| |0967|Numbers With Same Consecutive Differences||46.5%|Medium|| |0968|Binary Tree Cameras|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0968.Binary-Tree-Cameras)|41.2%|Hard|| |0969|Pancake Sorting|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0969.Pancake-Sorting)|69.4%|Medium|| |0970|Powerful Integers|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0970.Powerful-Integers)|43.4%|Medium|| |0971|Flip Binary Tree To Match Preorder Traversal|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0971.Flip-Binary-Tree-To-Match-Preorder-Traversal)|49.8%|Medium|| |0972|Equal Rational Numbers||42.3%|Hard|| |0973|K Closest Points to Origin|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0973.K-Closest-Points-to-Origin)|65.7%|Medium|| |0974|Subarray Sums Divisible by K||52.4%|Medium|| |0975|Odd Even Jump||40.0%|Hard|| |0976|Largest Perimeter Triangle|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0976.Largest-Perimeter-Triangle)|59.9%|Easy|| |0977|Squares of a Sorted Array|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0977.Squares-of-a-Sorted-Array)|71.5%|Easy|| |0978|Longest Turbulent Subarray|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0978.Longest-Turbulent-Subarray)|47.5%|Medium|| |0979|Distribute Coins in Binary Tree|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0979.Distribute-Coins-in-Binary-Tree)|70.7%|Medium|| |0980|Unique Paths III|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0980.Unique-Paths-III)|79.2%|Hard|| |0981|Time Based Key-Value Store|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0981.Time-Based-Key-Value-Store)|53.2%|Medium|| |0982|Triples with Bitwise AND Equal To Zero||57.4%|Hard|| |0983|Minimum Cost For Tickets||63.4%|Medium|| |0984|String Without AAA or BBB|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0984.String-Without-AAA-or-BBB)|40.2%|Medium|| |0985|Sum of Even Numbers After Queries|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0985.Sum-of-Even-Numbers-After-Queries)|60.7%|Medium|| |0986|Interval List Intersections|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0986.Interval-List-Intersections)|69.8%|Medium|| |0987|Vertical Order Traversal of a Binary Tree|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0987.Vertical-Order-Traversal-of-a-Binary-Tree)|39.9%|Hard|| |0988|Smallest String Starting From Leaf||48.0%|Medium|| |0989|Add to Array-Form of Integer|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0989.Add-to-Array-Form-of-Integer)|45.1%|Easy|| |0990|Satisfiability of Equality Equations|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0990.Satisfiability-of-Equality-Equations)|49.0%|Medium|| |0991|Broken Calculator|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0991.Broken-Calculator)|50.0%|Medium|| |0992|Subarrays with K Different Integers|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0992.Subarrays-with-K-Different-Integers)|52.7%|Hard|| |0993|Cousins in Binary Tree|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0993.Cousins-in-Binary-Tree)|53.6%|Easy|| |0994|Rotting Oranges||51.1%|Medium|| |0995|Minimum Number of K Consecutive Bit Flips|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0995.Minimum-Number-of-K-Consecutive-Bit-Flips)|50.3%|Hard|| |0996|Number of Squareful Arrays|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0996.Number-of-Squareful-Arrays)|49.0%|Hard|| |0997|Find the Town Judge||49.9%|Easy|| |0998|Maximum Binary Tree II||64.8%|Medium|| |0999|Available Captures for Rook|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/0999.Available-Captures-for-Rook)|67.6%|Easy|| |1000|Minimum Cost to Merge Stones||41.6%|Hard|| |1001|Grid Illumination||36.0%|Hard|| |1002|Find Common Characters|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1002.Find-Common-Characters)|68.5%|Easy|| |1003|Check If Word Is Valid After Substitutions|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1003.Check-If-Word-Is-Valid-After-Substitutions)|57.4%|Medium|| |1004|Max Consecutive Ones III|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1004.Max-Consecutive-Ones-III)|61.7%|Medium|| |1005|Maximize Sum Of Array After K Negations|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1005.Maximize-Sum-Of-Array-After-K-Negations)|51.9%|Easy|| |1006|Clumsy Factorial|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1006.Clumsy-Factorial)|54.3%|Medium|| |1007|Minimum Domino Rotations For Equal Row||50.8%|Medium|| |1008|Construct Binary Search Tree from Preorder Traversal||79.8%|Medium|| |1009|Complement of Base 10 Integer||61.1%|Easy|| |1010|Pairs of Songs With Total Durations Divisible by 60||52.0%|Medium|| |1011|Capacity To Ship Packages Within D Days|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1011.Capacity-To-Ship-Packages-Within-D-Days)|61.9%|Medium|| |1012|Numbers With Repeated Digits||38.4%|Hard|| |1013|Partition Array Into Three Parts With Equal Sum||45.5%|Easy|| |1014|Best Sightseeing Pair||56.2%|Medium|| |1015|Smallest Integer Divisible by K||42.2%|Medium|| |1016|Binary String With Substrings Representing 1 To N||58.1%|Medium|| |1017|Convert to Base -2|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1017.Convert-to-Base-2)|59.6%|Medium|| |1018|Binary Prefix Divisible By 5|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1018.Binary-Prefix-Divisible-By-5)|47.5%|Easy|| |1019|Next Greater Node In Linked List|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1019.Next-Greater-Node-In-Linked-List)|59.3%|Medium|| |1020|Number of Enclaves|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1020.Number-of-Enclaves)|60.8%|Medium|| |1021|Remove Outermost Parentheses|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1021.Remove-Outermost-Parentheses)|79.5%|Easy|| |1022|Sum of Root To Leaf Binary Numbers||72.2%|Easy|| |1023|Camelcase Matching||58.4%|Medium|| |1024|Video Stitching||49.7%|Medium|| |1025|Divisor Game|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1025.Divisor-Game)|66.4%|Easy|| |1026|Maximum Difference Between Node and Ancestor|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1026.Maximum-Difference-Between-Node-and-Ancestor)|70.8%|Medium|| |1027|Longest Arithmetic Subsequence||48.7%|Medium|| |1028|Recover a Tree From Preorder Traversal|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1028.Recover-a-Tree-From-Preorder-Traversal)|71.9%|Hard|| |1029|Two City Scheduling||59.3%|Medium|| |1030|Matrix Cells in Distance Order|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1030.Matrix-Cells-in-Distance-Order)|68.8%|Easy|| |1031|Maximum Sum of Two Non-Overlapping Subarrays||59.2%|Medium|| |1032|Stream of Characters||48.9%|Hard|| |1033|Moving Stones Until Consecutive||44.4%|Medium|| |1034|Coloring A Border||47.2%|Medium|| |1035|Uncrossed Lines||57.1%|Medium|| |1036|Escape a Large Maze||34.0%|Hard|| |1037|Valid Boomerang|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1037.Valid-Boomerang)|37.4%|Easy|| |1038|Binary Search Tree to Greater Sum Tree|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1038.Binary-Search-Tree-to-Greater-Sum-Tree)|83.9%|Medium|| |1039|Minimum Score Triangulation of Polygon||52.0%|Medium|| |1040|Moving Stones Until Consecutive II|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1040.Moving-Stones-Until-Consecutive-II)|54.9%|Medium|| |1041|Robot Bounded In Circle||54.5%|Medium|| |1042|Flower Planting With No Adjacent||49.4%|Medium|| |1043|Partition Array for Maximum Sum||69.6%|Medium|| |1044|Longest Duplicate Substring||31.6%|Hard|| |1045|Customers Who Bought All Products||67.4%|Medium|| |1046|Last Stone Weight||62.7%|Easy|| |1047|Remove All Adjacent Duplicates In String|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1047.Remove-All-Adjacent-Duplicates-In-String)|71.2%|Easy|| |1048|Longest String Chain|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1048.Longest-String-Chain)|57.1%|Medium|| |1049|Last Stone Weight II|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1049.Last-Stone-Weight-II)|49.5%|Medium|| |1050|Actors and Directors Who Cooperated At Least Three Times||72.3%|Easy|| |1051|Height Checker|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1051.Height-Checker)|73.7%|Easy|| |1052|Grumpy Bookstore Owner|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1052.Grumpy-Bookstore-Owner)|56.3%|Medium|| |1053|Previous Permutation With One Swap||52.3%|Medium|| |1054|Distant Barcodes|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1054.Distant-Barcodes)|45.0%|Medium|| |1055|Shortest Way to Form String||57.9%|Medium|| |1056|Confusing Number||46.3%|Easy|| |1057|Campus Bikes||57.9%|Medium|| |1058|Minimize Rounding Error to Meet Target||44.0%|Medium|| |1059|All Paths from Source Lead to Destination||43.3%|Medium|| |1060|Missing Element in Sorted Array||55.4%|Medium|| |1061|Lexicographically Smallest Equivalent String||67.6%|Medium|| |1062|Longest Repeating Substring||59.2%|Medium|| |1063|Number of Valid Subarrays||72.9%|Hard|| |1064|Fixed Point||63.7%|Easy|| |1065|Index Pairs of a String||61.4%|Easy|| |1066|Campus Bikes II||54.8%|Medium|| |1067|Digit Count in Range||41.7%|Hard|| |1068|Product Sales Analysis I||81.4%|Easy|| |1069|Product Sales Analysis II||83.0%|Easy|| |1070|Product Sales Analysis III||49.8%|Medium|| |1071|Greatest Common Divisor of Strings||51.8%|Easy|| |1072|Flip Columns For Maximum Number of Equal Rows||62.7%|Medium|| |1073|Adding Two Negabinary Numbers|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1073.Adding-Two-Negabinary-Numbers)|35.0%|Medium|| |1074|Number of Submatrices That Sum to Target|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1074.Number-of-Submatrices-That-Sum-to-Target)|65.9%|Hard|| |1075|Project Employees I||66.7%|Easy|| |1076|Project Employees II||52.0%|Easy|| |1077|Project Employees III||78.7%|Medium|| |1078|Occurrences After Bigram|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1078.Occurrences-After-Bigram)|64.4%|Easy|| |1079|Letter Tile Possibilities|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1079.Letter-Tile-Possibilities)|76.1%|Medium|| |1080|Insufficient Nodes in Root to Leaf Paths||51.0%|Medium|| |1081|Smallest Subsequence of Distinct Characters||54.5%|Medium|| |1082|Sales Analysis I||75.0%|Easy|| |1083|Sales Analysis II||50.7%|Easy|| |1084|Sales Analysis III||53.9%|Easy|| |1085|Sum of Digits in the Minimum Number||75.4%|Easy|| |1086|High Five||75.9%|Easy|| |1087|Brace Expansion||64.0%|Medium|| |1088|Confusing Number II||46.5%|Hard|| |1089|Duplicate Zeros|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1089.Duplicate-Zeros)|51.2%|Easy|| |1090|Largest Values From Labels||60.4%|Medium|| |1091|Shortest Path in Binary Matrix|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1091.Shortest-Path-in-Binary-Matrix)|41.4%|Medium|| |1092|Shortest Common Supersequence||54.9%|Hard|| |1093|Statistics from a Large Sample|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1093.Statistics-from-a-Large-Sample)|46.5%|Medium|| |1094|Car Pooling||59.5%|Medium|| |1095|Find in Mountain Array||35.9%|Hard|| |1096|Brace Expansion II||62.0%|Hard|| |1097|Game Play Analysis V||56.3%|Hard|| |1098|Unpopular Books||45.5%|Medium|| |1099|Two Sum Less Than K||60.5%|Easy|| |1100|Find K-Length Substrings With No Repeated Characters||73.0%|Medium|| |1101|The Earliest Moment When Everyone Become Friends||63.9%|Medium|| |1102|Path With Maximum Minimum Value||51.8%|Medium|| |1103|Distribute Candies to People||63.5%|Easy|| |1104|Path In Zigzag Labelled Binary Tree|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1104.Path-In-Zigzag-Labelled-Binary-Tree)|74.0%|Medium|| |1105|Filling Bookcase Shelves|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1105.Filling-Bookcase-Shelves)|57.8%|Medium|| |1106|Parsing A Boolean Expression||59.8%|Hard|| |1107|New Users Daily Count||45.9%|Medium|| |1108|Defanging an IP Address|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1108.Defanging-an-IP-Address)|88.6%|Easy|| |1109|Corporate Flight Bookings||56.2%|Medium|| |1110|Delete Nodes And Return Forest|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1110.Delete-Nodes-And-Return-Forest)|68.8%|Medium|| |1111|Maximum Nesting Depth of Two Valid Parentheses Strings|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1111.Maximum-Nesting-Depth-of-Two-Valid-Parentheses-Strings)|72.6%|Medium|| |1112|Highest Grade For Each Student||73.0%|Medium|| |1113|Reported Posts||66.4%|Easy|| |1114|Print in Order||68.1%|Easy|| |1115|Print FooBar Alternately||59.6%|Medium|| |1116|Print Zero Even Odd||58.5%|Medium|| |1117|Building H2O||53.7%|Medium|| |1118|Number of Days in a Month||57.1%|Easy|| |1119|Remove Vowels from a String||90.7%|Easy|| |1120|Maximum Average Subtree||64.8%|Medium|| |1121|Divide Array Into Increasing Sequences||59.4%|Hard|| |1122|Relative Sort Array|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1122.Relative-Sort-Array)|67.9%|Easy|| |1123|Lowest Common Ancestor of Deepest Leaves|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1123.Lowest-Common-Ancestor-of-Deepest-Leaves)|69.1%|Medium|| |1124|Longest Well-Performing Interval||33.9%|Medium|| |1125|Smallest Sufficient Team||47.7%|Hard|| |1126|Active Businesses||68.4%|Medium|| |1127|User Purchase Platform||51.3%|Hard|| |1128|Number of Equivalent Domino Pairs|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1128.Number-of-Equivalent-Domino-Pairs)|45.8%|Easy|| |1129|Shortest Path with Alternating Colors||41.4%|Medium|| |1130|Minimum Cost Tree From Leaf Values||68.2%|Medium|| |1131|Maximum of Absolute Value Expression||50.7%|Medium|| |1132|Reported Posts II||34.3%|Medium|| |1133|Largest Unique Number||67.3%|Easy|| |1134|Armstrong Number||78.6%|Easy|| |1135|Connecting Cities With Minimum Cost||60.1%|Medium|| |1136|Parallel Courses||60.2%|Medium|| |1137|N-th Tribonacci Number|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1137.N-th-Tribonacci-Number)|60.9%|Easy|| |1138|Alphabet Board Path||52.1%|Medium|| |1139|Largest 1-Bordered Square||49.1%|Medium|| |1140|Stone Game II||64.7%|Medium|| |1141|User Activity for the Past 30 Days I||54.4%|Easy|| |1142|User Activity for the Past 30 Days II||35.8%|Easy|| |1143|Longest Common Subsequence|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1143.Longest-Common-Subsequence)|58.8%|Medium|| |1144|Decrease Elements To Make Array Zigzag||46.7%|Medium|| |1145|Binary Tree Coloring Game|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1145.Binary-Tree-Coloring-Game)|51.0%|Medium|| |1146|Snapshot Array||37.1%|Medium|| |1147|Longest Chunked Palindrome Decomposition||60.2%|Hard|| |1148|Article Views I||77.1%|Easy|| |1149|Article Views II||48.2%|Medium|| |1150|Check If a Number Is Majority Element in a Sorted Array||56.9%|Easy|| |1151|Minimum Swaps to Group All 1's Together||59.1%|Medium|| |1152|Analyze User Website Visit Pattern||43.3%|Medium|| |1153|String Transforms Into Another String||35.4%|Hard|| |1154|Day of the Year|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1154.Day-of-the-Year)|50.7%|Easy|| |1155|Number of Dice Rolls With Target Sum||47.5%|Medium|| |1156|Swap For Longest Repeated Character Substring||47.0%|Medium|| |1157|Online Majority Element In Subarray|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1157.Online-Majority-Element-In-Subarray)|41.9%|Hard|| |1158|Market Analysis I||65.3%|Medium|| |1159|Market Analysis II||57.5%|Hard|| |1160|Find Words That Can Be Formed by Characters|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1160.Find-Words-That-Can-Be-Formed-by-Characters)|67.8%|Easy|| |1161|Maximum Level Sum of a Binary Tree||66.9%|Medium|| |1162|As Far from Land as Possible||47.1%|Medium|| |1163|Last Substring in Lexicographical Order||35.9%|Hard|| |1164|Product Price at a Given Date||68.8%|Medium|| |1165|Single-Row Keyboard||85.6%|Easy|| |1166|Design File System||59.5%|Medium|| |1167|Minimum Cost to Connect Sticks||65.9%|Medium|| |1168|Optimize Water Distribution in a Village||62.7%|Hard|| |1169|Invalid Transactions||30.2%|Medium|| |1170|Compare Strings by Frequency of the Smallest Character|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1170.Compare-Strings-by-Frequency-of-the-Smallest-Character)|60.8%|Medium|| |1171|Remove Zero Sum Consecutive Nodes from Linked List|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1171.Remove-Zero-Sum-Consecutive-Nodes-from-Linked-List)|42.1%|Medium|| |1172|Dinner Plate Stacks||35.6%|Hard|| |1173|Immediate Food Delivery I||83.3%|Easy|| |1174|Immediate Food Delivery II||63.4%|Medium|| |1175|Prime Arrangements|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1175.Prime-Arrangements)|52.2%|Easy|| |1176|Diet Plan Performance||53.0%|Easy|| |1177|Can Make Palindrome from Substring||36.9%|Medium|| |1178|Number of Valid Words for Each Puzzle|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1178.Number-of-Valid-Words-for-Each-Puzzle)|46.8%|Hard|| |1179|Reformat Department Table||82.2%|Easy|| |1180|Count Substrings with Only One Distinct Letter||78.5%|Easy|| |1181|Before and After Puzzle||44.8%|Medium|| |1182|Shortest Distance to Target Color||54.3%|Medium|| |1183|Maximum Number of Ones||59.2%|Hard|| |1184|Distance Between Bus Stops|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1184.Distance-Between-Bus-Stops)|54.0%|Easy|| |1185|Day of the Week|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1185.Day-of-the-Week)|59.2%|Easy|| |1186|Maximum Subarray Sum with One Deletion||40.2%|Medium|| |1187|Make Array Strictly Increasing||44.2%|Hard|| |1188|Design Bounded Blocking Queue||73.2%|Medium|| |1189|Maximum Number of Balloons|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1189.Maximum-Number-of-Balloons)|62.5%|Easy|| |1190|Reverse Substrings Between Each Pair of Parentheses|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1190.Reverse-Substrings-Between-Each-Pair-of-Parentheses)|65.4%|Medium|| |1191|K-Concatenation Maximum Sum||24.2%|Medium|| |1192|Critical Connections in a Network||51.9%|Hard|| |1193|Monthly Transactions I||68.2%|Medium|| |1194|Tournament Winners||52.5%|Hard|| |1195|Fizz Buzz Multithreaded||71.6%|Medium|| |1196|How Many Apples Can You Put into the Basket||68.1%|Easy|| |1197|Minimum Knight Moves||39.1%|Medium|| |1198|Find Smallest Common Element in All Rows||76.2%|Medium|| |1199|Minimum Time to Build Blocks||39.5%|Hard|| |1200|Minimum Absolute Difference|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1200.Minimum-Absolute-Difference)|67.6%|Easy|| |1201|Ugly Number III|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1201.Ugly-Number-III)|27.3%|Medium|| |1202|Smallest String With Swaps|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1202.Smallest-String-With-Swaps)|51.2%|Medium|| |1203|Sort Items by Groups Respecting Dependencies|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1203.Sort-Items-by-Groups-Respecting-Dependencies)|49.0%|Hard|| |1204|Last Person to Fit in the Bus||73.1%|Medium|| |1205|Monthly Transactions II||45.3%|Medium|| |1206|Design Skiplist||59.8%|Hard|| |1207|Unique Number of Occurrences|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1207.Unique-Number-of-Occurrences)|72.4%|Easy|| |1208|Get Equal Substrings Within Budget|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1208.Get-Equal-Substrings-Within-Budget)|45.5%|Medium|| |1209|Remove All Adjacent Duplicates in String II|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1209.Remove-All-Adjacent-Duplicates-in-String-II)|56.1%|Medium|| |1210|Minimum Moves to Reach Target with Rotations||47.6%|Hard|| |1211|Queries Quality and Percentage||70.3%|Easy|| |1212|Team Scores in Football Tournament||57.1%|Medium|| |1213|Intersection of Three Sorted Arrays||79.9%|Easy|| |1214|Two Sum BSTs||67.2%|Medium|| |1215|Stepping Numbers||44.6%|Medium|| |1216|Valid Palindrome III||51.4%|Hard|| |1217|Minimum Cost to Move Chips to The Same Position|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1217.Minimum-Cost-to-Move-Chips-to-The-Same-Position)|70.7%|Easy|| |1218|Longest Arithmetic Subsequence of Given Difference||49.0%|Medium|| |1219|Path with Maximum Gold||66.1%|Medium|| |1220|Count Vowels Permutation||56.5%|Hard|| |1221|Split a String in Balanced Strings|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1221.Split-a-String-in-Balanced-Strings)|84.7%|Easy|| |1222|Queens That Can Attack the King||70.4%|Medium|| |1223|Dice Roll Simulation||47.6%|Hard|| |1224|Maximum Equal Frequency||36.1%|Hard|| |1225|Report Contiguous Dates||63.7%|Hard|| |1226|The Dining Philosophers||60.2%|Medium|| |1227|Airplane Seat Assignment Probability||63.3%|Medium|| |1228|Missing Number In Arithmetic Progression||51.2%|Easy|| |1229|Meeting Scheduler||54.7%|Medium|| |1230|Toss Strange Coins||51.5%|Medium|| |1231|Divide Chocolate||55.3%|Hard|| |1232|Check If It Is a Straight Line|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1232.Check-If-It-Is-a-Straight-Line)|42.4%|Easy|| |1233|Remove Sub-Folders from the Filesystem||64.5%|Medium|| |1234|Replace the Substring for Balanced String|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1234.Replace-the-Substring-for-Balanced-String)|35.5%|Medium|| |1235|Maximum Profit in Job Scheduling|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1235.Maximum-Profit-in-Job-Scheduling)|50.4%|Hard|| |1236|Web Crawler||65.3%|Medium|| |1237|Find Positive Integer Solution for a Given Equation||69.8%|Medium|| |1238|Circular Permutation in Binary Representation||67.9%|Medium|| |1239|Maximum Length of a Concatenated String with Unique Characters|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1239.Maximum-Length-of-a-Concatenated-String-with-Unique-Characters)|50.6%|Medium|| |1240|Tiling a Rectangle with the Fewest Squares||52.3%|Hard|| |1241|Number of Comments per Post||67.9%|Easy|| |1242|Web Crawler Multithreaded||48.2%|Medium|| |1243|Array Transformation||50.2%|Easy|| |1244|Design A Leaderboard||67.3%|Medium|| |1245|Tree Diameter||62.0%|Medium|| |1246|Palindrome Removal||45.9%|Hard|| |1247|Minimum Swaps to Make Strings Equal||63.6%|Medium|| |1248|Count Number of Nice Subarrays||57.5%|Medium|| |1249|Minimum Remove to Make Valid Parentheses|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1249.Minimum-Remove-to-Make-Valid-Parentheses)|65.0%|Medium|| |1250|Check If It Is a Good Array||57.5%|Hard|| |1251|Average Selling Price||83.1%|Easy|| |1252|Cells with Odd Values in a Matrix|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1252.Cells-with-Odd-Values-in-a-Matrix)|78.4%|Easy|| |1253|Reconstruct a 2-Row Binary Matrix||42.6%|Medium|| |1254|Number of Closed Islands|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1254.Number-of-Closed-Islands)|62.7%|Medium|| |1255|Maximum Score Words Formed by Letters||71.4%|Hard|| |1256|Encode Number||69.0%|Medium|| |1257|Smallest Common Region||62.0%|Medium|| |1258|Synonymous Sentences||57.4%|Medium|| |1259|Handshakes That Don't Cross||54.4%|Hard|| |1260|Shift 2D Grid|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1260.Shift-2D-Grid)|62.1%|Easy|| |1261|Find Elements in a Contaminated Binary Tree||75.4%|Medium|| |1262|Greatest Sum Divisible by Three||50.6%|Medium|| |1263|Minimum Moves to Move a Box to Their Target Location||47.9%|Hard|| |1264|Page Recommendations||68.3%|Medium|| |1265|Print Immutable Linked List in Reverse||94.1%|Medium|| |1266|Minimum Time Visiting All Points|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1266.Minimum-Time-Visiting-All-Points)|79.2%|Easy|| |1267|Count Servers that Communicate||57.9%|Medium|| |1268|Search Suggestions System|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1268.Search-Suggestions-System)|65.7%|Medium|| |1269|Number of Ways to Stay in the Same Place After Some Steps||43.3%|Hard|| |1270|All People Report to the Given Manager||88.2%|Medium|| |1271|Hexspeak||56.1%|Easy|| |1272|Remove Interval||59.4%|Medium|| |1273|Delete Tree Nodes||61.2%|Medium|| |1274|Number of Ships in a Rectangle||66.0%|Hard|| |1275|Find Winner on a Tic Tac Toe Game|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1275.Find-Winner-on-a-Tic-Tac-Toe-Game)|55.7%|Easy|| |1276|Number of Burgers with No Waste of Ingredients||50.7%|Medium|| |1277|Count Square Submatrices with All Ones||73.9%|Medium|| |1278|Palindrome Partitioning III||61.1%|Hard|| |1279|Traffic Light Controlled Intersection||76.4%|Easy|| |1280|Students and Examinations||75.0%|Easy|| |1281|Subtract the Product and Sum of Digits of an Integer|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1281.Subtract-the-Product-and-Sum-of-Digits-of-an-Integer)|85.7%|Easy|| |1282|Group the People Given the Group Size They Belong To||84.9%|Medium|| |1283|Find the Smallest Divisor Given a Threshold|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1283.Find-the-Smallest-Divisor-Given-a-Threshold)|52.2%|Medium|| |1284|Minimum Number of Flips to Convert Binary Matrix to Zero Matrix||70.8%|Hard|| |1285|Find the Start and End Number of Continuous Ranges||88.3%|Medium|| |1286|Iterator for Combination||71.7%|Medium|| |1287|Element Appearing More Than 25% In Sorted Array|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1287.Element-Appearing-More-Than-25-In-Sorted-Array)|59.7%|Easy|| |1288|Remove Covered Intervals||57.8%|Medium|| |1289|Minimum Falling Path Sum II||62.4%|Hard|| |1290|Convert Binary Number in a Linked List to Integer|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1290.Convert-Binary-Number-in-a-Linked-List-to-Integer)|81.8%|Easy|| |1291|Sequential Digits||57.5%|Medium|| |1292|Maximum Side Length of a Square with Sum Less than or Equal to Threshold||52.1%|Medium|| |1293|Shortest Path in a Grid with Obstacles Elimination||43.9%|Hard|| |1294|Weather Type in Each Country||67.3%|Easy|| |1295|Find Numbers with Even Number of Digits|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1295.Find-Numbers-with-Even-Number-of-Digits)|77.5%|Easy|| |1296|Divide Array in Sets of K Consecutive Numbers||56.0%|Medium|| |1297|Maximum Number of Occurrences of a Substring||52.3%|Medium|| |1298|Maximum Candies You Can Get from Boxes||60.6%|Hard|| |1299|Replace Elements with Greatest Element on Right Side|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1299.Replace-Elements-with-Greatest-Element-on-Right-Side)|74.3%|Easy|| |1300|Sum of Mutated Array Closest to Target|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1300.Sum-of-Mutated-Array-Closest-to-Target)|42.4%|Medium|| |1301|Number of Paths with Max Score||38.6%|Hard|| |1302|Deepest Leaves Sum|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1302.Deepest-Leaves-Sum)|85.6%|Medium|| |1303|Find the Team Size||90.3%|Easy|| |1304|Find N Unique Integers Sum up to Zero|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1304.Find-N-Unique-Integers-Sum-up-to-Zero)|76.6%|Easy|| |1305|All Elements in Two Binary Search Trees|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1305.All-Elements-in-Two-Binary-Search-Trees)|78.5%|Medium|| |1306|Jump Game III|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1306.Jump-Game-III)|61.6%|Medium|| |1307|Verbal Arithmetic Puzzle||35.2%|Hard|| |1308|Running Total for Different Genders||88.6%|Medium|| |1309|Decrypt String from Alphabet to Integer Mapping||77.8%|Easy|| |1310|XOR Queries of a Subarray|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1310.XOR-Queries-of-a-Subarray)|70.7%|Medium|| |1311|Get Watched Videos by Your Friends||44.7%|Medium|| |1312|Minimum Insertion Steps to Make a String Palindrome||62.0%|Hard|| |1313|Decompress Run-Length Encoded List|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1313.Decompress-Run-Length-Encoded-List)|85.7%|Easy|| |1314|Matrix Block Sum||74.6%|Medium|| |1315|Sum of Nodes with Even-Valued Grandparent||84.8%|Medium|| |1316|Distinct Echo Substrings||49.9%|Hard|| |1317|Convert Integer to the Sum of Two No-Zero Integers|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1317.Convert-Integer-to-the-Sum-of-Two-No-Zero-Integers)|57.4%|Easy|| |1318|Minimum Flips to Make a OR b Equal to c||64.6%|Medium|| |1319|Number of Operations to Make Network Connected|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1319.Number-of-Operations-to-Make-Network-Connected)|56.4%|Medium|| |1320|Minimum Distance to Type a Word Using Two Fingers||60.9%|Hard|| |1321|Restaurant Growth||72.7%|Medium|| |1322|Ads Performance||59.0%|Easy|| |1323|Maximum 69 Number||78.5%|Easy|| |1324|Print Words Vertically||59.2%|Medium|| |1325|Delete Leaves With a Given Value||74.7%|Medium|| |1326|Minimum Number of Taps to Open to Water a Garden||48.1%|Hard|| |1327|List the Products Ordered in a Period||77.9%|Easy|| |1328|Break a Palindrome||52.3%|Medium|| |1329|Sort the Matrix Diagonally|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1329.Sort-the-Matrix-Diagonally)|81.5%|Medium|| |1330|Reverse Subarray To Maximize Array Value||37.9%|Hard|| |1331|Rank Transform of an Array||58.2%|Easy|| |1332|Remove Palindromic Subsequences|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1332.Remove-Palindromic-Subsequences)|69.1%|Easy|| |1333|Filter Restaurants by Vegan-Friendly, Price and Distance||58.3%|Medium|| |1334|Find the City With the Smallest Number of Neighbors at a Threshold Distance||50.1%|Medium|| |1335|Minimum Difficulty of a Job Schedule||56.9%|Hard|| |1336|Number of Transactions per Visit||51.1%|Hard|| |1337|The K Weakest Rows in a Matrix|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1337.The-K-Weakest-Rows-in-a-Matrix)|72.1%|Easy|| |1338|Reduce Array Size to The Half||68.5%|Medium|| |1339|Maximum Product of Splitted Binary Tree||42.4%|Medium|| |1340|Jump Game V||61.2%|Hard|| |1341|Movie Rating||58.3%|Medium|| |1342|Number of Steps to Reduce a Number to Zero||85.6%|Easy|| |1343|Number of Sub-arrays of Size K and Average Greater than or Equal to Threshold||67.3%|Medium|| |1344|Angle Between Hands of a Clock||62.3%|Medium|| |1345|Jump Game IV||42.1%|Hard|| |1346|Check If N and Its Double Exist||35.5%|Easy|| |1347|Minimum Number of Steps to Make Two Strings Anagram||75.5%|Medium|| |1348|Tweet Counts Per Frequency||41.7%|Medium|| |1349|Maximum Students Taking Exam||45.8%|Hard|| |1350|Students With Invalid Departments||90.5%|Easy|| |1351|Count Negative Numbers in a Sorted Matrix||75.3%|Easy|| |1352|Product of the Last K Numbers||46.8%|Medium|| |1353|Maximum Number of Events That Can Be Attended|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1353.Maximum-Number-of-Events-That-Can-Be-Attended)|32.3%|Medium|| |1354|Construct Target Array With Multiple Sums||31.2%|Hard|| |1355|Activity Participants||74.7%|Medium|| |1356|Sort Integers by The Number of 1 Bits||70.7%|Easy|| |1357|Apply Discount Every n Orders||67.8%|Medium|| |1358|Number of Substrings Containing All Three Characters||61.6%|Medium|| |1359|Count All Valid Pickup and Delivery Options||54.6%|Hard|| |1360|Number of Days Between Two Dates||46.5%|Easy|| |1361|Validate Binary Tree Nodes||41.9%|Medium|| |1362|Closest Divisors||58.9%|Medium|| |1363|Largest Multiple of Three||34.8%|Hard|| |1364|Number of Trusted Contacts of a Customer||79.5%|Medium|| |1365|How Many Numbers Are Smaller Than the Current Number||86.0%|Easy|| |1366|Rank Teams by Votes||58.3%|Medium|| |1367|Linked List in Binary Tree||42.2%|Medium|| |1368|Minimum Cost to Make at Least One Valid Path in a Grid||59.6%|Hard|| |1369|Get the Second Most Recent Activity||69.4%|Hard|| |1370|Increasing Decreasing String||77.7%|Easy|| |1371|Find the Longest Substring Containing Vowels in Even Counts||61.9%|Medium|| |1372|Longest ZigZag Path in a Binary Tree||56.7%|Medium|| |1373|Maximum Sum BST in Binary Tree||37.9%|Hard|| |1374|Generate a String With Characters That Have Odd Counts||77.2%|Easy|| |1375|Bulb Switcher III||65.2%|Medium|| |1376|Time Needed to Inform All Employees||57.9%|Medium|| |1377|Frog Position After T Seconds||36.0%|Hard|| |1378|Replace Employee ID With The Unique Identifier||90.9%|Easy|| |1379|Find a Corresponding Node of a Binary Tree in a Clone of That Tree||85.1%|Medium|| |1380|Lucky Numbers in a Matrix|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1380.Lucky-Numbers-in-a-Matrix)|70.7%|Easy|| |1381|Design a Stack With Increment Operation||77.0%|Medium|| |1382|Balance a Binary Search Tree||78.9%|Medium|| |1383|Maximum Performance of a Team|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1383.Maximum-Performance-of-a-Team)|41.3%|Hard|| |1384|Total Sales Amount by Year||66.3%|Hard|| |1385|Find the Distance Value Between Two Arrays|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1385.Find-the-Distance-Value-Between-Two-Arrays)|66.2%|Easy|| |1386|Cinema Seat Allocation||37.8%|Medium|| |1387|Sort Integers by The Power Value||70.3%|Medium|| |1388|Pizza With 3n Slices||47.9%|Hard|| |1389|Create Target Array in the Given Order|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1389.Create-Target-Array-in-the-Given-Order)|85.3%|Easy|| |1390|Four Divisors||40.2%|Medium|| |1391|Check if There is a Valid Path in a Grid||46.4%|Medium|| |1392|Longest Happy Prefix||43.7%|Hard|| |1393|Capital Gain/Loss||91.6%|Medium|| |1394|Find Lucky Integer in an Array||63.3%|Easy|| |1395|Count Number of Teams||70.7%|Medium|| |1396|Design Underground System|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1396.Design-Underground-System)|71.7%|Medium|| |1397|Find All Good Strings||39.5%|Hard|| |1398|Customers Who Bought Products A and B but Not C||80.1%|Medium|| |1399|Count Largest Group||66.1%|Easy|| |1400|Construct K Palindrome Strings||64.1%|Medium|| |1401|Circle and Rectangle Overlapping||43.3%|Medium|| |1402|Reducing Dishes||72.4%|Hard|| |1403|Minimum Subsequence in Non-Increasing Order||72.0%|Easy|| |1404|Number of Steps to Reduce a Number in Binary Representation to One||50.5%|Medium|| |1405|Longest Happy String||54.5%|Medium|| |1406|Stone Game III||60.1%|Hard|| |1407|Top Travellers||83.9%|Easy|| |1408|String Matching in an Array||63.7%|Easy|| |1409|Queries on a Permutation With Key||82.5%|Medium|| |1410|HTML Entity Parser||53.0%|Medium|| |1411|Number of Ways to Paint N × 3 Grid||61.8%|Hard|| |1412|Find the Quiet Students in All Exams||62.8%|Hard|| |1413|Minimum Value to Get Positive Step by Step Sum||68.6%|Easy|| |1414|Find the Minimum Number of Fibonacci Numbers Whose Sum Is K||65.1%|Medium|| |1415|The k-th Lexicographical String of All Happy Strings of Length n||70.7%|Medium|| |1416|Restore The Array||37.4%|Hard|| |1417|Reformat The String||56.6%|Easy|| |1418|Display Table of Food Orders in a Restaurant||71.3%|Medium|| |1419|Minimum Number of Frogs Croaking||49.4%|Medium|| |1420|Build Array Where You Can Find The Maximum Exactly K Comparisons||64.8%|Hard|| |1421|NPV Queries||82.5%|Easy|| |1422|Maximum Score After Splitting a String||57.6%|Easy|| |1423|Maximum Points You Can Obtain from Cards|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1423.Maximum-Points-You-Can-Obtain-from-Cards)|49.5%|Medium|| |1424|Diagonal Traverse II||48.5%|Medium|| |1425|Constrained Subsequence Sum||45.8%|Hard|| |1426|Counting Elements||59.4%|Easy|| |1427|Perform String Shifts||53.8%|Easy|| |1428|Leftmost Column with at Least a One||51.7%|Medium|| |1429|First Unique Number||51.2%|Medium|| |1430|Check If a String Is a Valid Sequence from Root to Leaves Path in a Binary Tree||45.4%|Medium|| |1431|Kids With the Greatest Number of Candies||87.9%|Easy|| |1432|Max Difference You Can Get From Changing an Integer||43.5%|Medium|| |1433|Check If a String Can Break Another String||68.1%|Medium|| |1434|Number of Ways to Wear Different Hats to Each Other||41.0%|Hard|| |1435|Create a Session Bar Chart||78.4%|Easy|| |1436|Destination City||77.5%|Easy|| |1437|Check If All 1's Are at Least Length K Places Away|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1437.Check-If-All-1s-Are-at-Least-Length-K-Places-Away)|60.5%|Easy|| |1438|Longest Continuous Subarray With Absolute Diff Less Than or Equal to Limit|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1438.Longest-Continuous-Subarray-With-Absolute-Diff-Less-Than-or-Equal-to-Limit)|45.3%|Medium|| |1439|Find the Kth Smallest Sum of a Matrix With Sorted Rows|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1439.Find-the-Kth-Smallest-Sum-of-a-Matrix-With-Sorted-Rows)|61.5%|Hard|| |1440|Evaluate Boolean Expression||75.6%|Medium|| |1441|Build an Array With Stack Operations||70.6%|Easy|| |1442|Count Triplets That Can Form Two Arrays of Equal XOR|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1442.Count-Triplets-That-Can-Form-Two-Arrays-of-Equal-XOR)|73.8%|Medium|| |1443|Minimum Time to Collect All Apples in a Tree||55.2%|Medium|| |1444|Number of Ways of Cutting a Pizza||55.1%|Hard|| |1445|Apples & Oranges||91.5%|Medium|| |1446|Consecutive Characters||61.1%|Easy|| |1447|Simplified Fractions||63.3%|Medium|| |1448|Count Good Nodes in Binary Tree||72.9%|Medium|| |1449|Form Largest Integer With Digits That Add up to Target||46.0%|Hard|| |1450|Number of Students Doing Homework at a Given Time||76.6%|Easy|| |1451|Rearrange Words in a Sentence||61.3%|Medium|| |1452|People Whose List of Favorite Companies Is Not a Subset of Another List||56.1%|Medium|| |1453|Maximum Number of Darts Inside of a Circular Dartboard||36.4%|Hard|| |1454|Active Users||38.6%|Medium|| |1455|Check If a Word Occurs As a Prefix of Any Word in a Sentence|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1455.Check-If-a-Word-Occurs-As-a-Prefix-of-Any-Word-in-a-Sentence)|64.4%|Easy|| |1456|Maximum Number of Vowels in a Substring of Given Length||56.4%|Medium|| |1457|Pseudo-Palindromic Paths in a Binary Tree||67.9%|Medium|| |1458|Max Dot Product of Two Subsequences||44.6%|Hard|| |1459|Rectangles Area||67.4%|Medium|| |1460|Make Two Arrays Equal by Reversing Sub-arrays||72.4%|Easy|| |1461|Check If a String Contains All Binary Codes of Size K|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1461.Check-If-a-String-Contains-All-Binary-Codes-of-Size-K)|54.5%|Medium|| |1462|Course Schedule IV||47.1%|Medium|| |1463|Cherry Pickup II|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1463.Cherry-Pickup-II)|68.4%|Hard|| |1464|Maximum Product of Two Elements in an Array|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1464.Maximum-Product-of-Two-Elements-in-an-Array)|77.6%|Easy|| |1465|Maximum Area of a Piece of Cake After Horizontal and Vertical Cuts|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1465.Maximum-Area-of-a-Piece-of-Cake-After-Horizontal-and-Vertical-Cuts)|36.9%|Medium|| |1466|Reorder Routes to Make All Paths Lead to the City Zero||61.4%|Medium|| |1467|Probability of a Two Boxes Having The Same Number of Distinct Balls||60.9%|Hard|| |1468|Calculate Salaries||82.7%|Medium|| |1469|Find All The Lonely Nodes||81.1%|Easy|| |1470|Shuffle the Array|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1470.Shuffle-the-Array)|88.2%|Easy|| |1471|The k Strongest Values in an Array||59.3%|Medium|| |1472|Design Browser History||73.9%|Medium|| |1473|Paint House III||49.7%|Hard|| |1474|Delete N Nodes After M Nodes of a Linked List||73.4%|Easy|| |1475|Final Prices With a Special Discount in a Shop||75.0%|Easy|| |1476|Subrectangle Queries||88.1%|Medium|| |1477|Find Two Non-overlapping Sub-arrays Each With Target Sum||36.1%|Medium|| |1478|Allocate Mailboxes||55.3%|Hard|| |1479|Sales by Day of the Week||82.5%|Hard|| |1480|Running Sum of 1d Array|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1480.Running-Sum-of-1d-Array)|89.2%|Easy|| |1481|Least Number of Unique Integers after K Removals||58.7%|Medium|| |1482|Minimum Number of Days to Make m Bouquets|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1482.Minimum-Number-of-Days-to-Make-m-Bouquets)|53.9%|Medium|| |1483|Kth Ancestor of a Tree Node||33.1%|Hard|| |1484|Group Sold Products By The Date||84.9%|Easy|| |1485|Clone Binary Tree With Random Pointer||79.3%|Medium|| |1486|XOR Operation in an Array|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1486.XOR-Operation-in-an-Array)|84.0%|Easy|| |1487|Making File Names Unique||33.6%|Medium|| |1488|Avoid Flood in The City||25.0%|Medium|| |1489|Find Critical and Pseudo-Critical Edges in Minimum Spanning Tree||51.8%|Hard|| |1490|Clone N-ary Tree||82.8%|Medium|| |1491|Average Salary Excluding the Minimum and Maximum Salary||67.6%|Easy|| |1492|The kth Factor of n||62.3%|Medium|| |1493|Longest Subarray of 1's After Deleting One Element||59.8%|Medium|| |1494|Parallel Courses II||30.9%|Hard|| |1495|Friendly Movies Streamed Last Month||50.8%|Easy|| |1496|Path Crossing||55.4%|Easy|| |1497|Check If Array Pairs Are Divisible by k||40.4%|Medium|| |1498|Number of Subsequences That Satisfy the Given Sum Condition||39.3%|Medium|| |1499|Max Value of Equation||46.7%|Hard|| |1500|Design a File Sharing System||45.8%|Medium|| |1501|Countries You Can Safely Invest In||59.0%|Medium|| |1502|Can Make Arithmetic Progression From Sequence||70.3%|Easy|| |1503|Last Moment Before All Ants Fall Out of a Plank||54.3%|Medium|| |1504|Count Submatrices With All Ones||59.9%|Medium|| |1505|Minimum Possible Integer After at Most K Adjacent Swaps On Digits||36.9%|Hard|| |1506|Find Root of N-Ary Tree||78.6%|Medium|| |1507|Reformat Date||60.8%|Easy|| |1508|Range Sum of Sorted Subarray Sums||59.5%|Medium|| |1509|Minimum Difference Between Largest and Smallest Value in Three Moves||56.1%|Medium|| |1510|Stone Game IV||59.5%|Hard|| |1511|Customer Order Frequency||73.8%|Easy|| |1512|Number of Good Pairs|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1512.Number-of-Good-Pairs)|87.7%|Easy|| |1513|Number of Substrings With Only 1s||43.3%|Medium|| |1514|Path with Maximum Probability||44.3%|Medium|| |1515|Best Position for a Service Centre||39.8%|Hard|| |1516|Move Sub-Tree of N-Ary Tree||64.4%|Hard|| |1517|Find Users With Valid E-Mails||70.4%|Easy|| |1518|Water Bottles||60.3%|Easy|| |1519|Number of Nodes in the Sub-Tree With the Same Label||38.7%|Medium|| |1520|Maximum Number of Non-Overlapping Substrings||37.1%|Hard|| |1521|Find a Value of a Mysterious Function Closest to Target||43.7%|Hard|| |1522|Diameter of N-Ary Tree||71.5%|Medium|| |1523|Count Odd Numbers in an Interval Range||53.9%|Easy|| |1524|Number of Sub-arrays With Odd Sum||42.9%|Medium|| |1525|Number of Good Ways to Split a String||70.7%|Medium|| |1526|Minimum Number of Increments on Subarrays to Form a Target Array||67.3%|Hard|| |1527|Patients With a Condition||53.9%|Easy|| |1528|Shuffle String||85.8%|Easy|| |1529|Bulb Switcher IV||72.4%|Medium|| |1530|Number of Good Leaf Nodes Pairs||58.6%|Medium|| |1531|String Compression II||36.5%|Hard|| |1532|The Most Recent Three Orders||71.7%|Medium|| |1533|Find the Index of the Large Integer||52.1%|Medium|| |1534|Count Good Triplets||80.3%|Easy|| |1535|Find the Winner of an Array Game||48.6%|Medium|| |1536|Minimum Swaps to Arrange a Binary Grid||44.8%|Medium|| |1537|Get the Maximum Score||38.3%|Hard|| |1538|Guess the Majority in a Hidden Array||61.9%|Medium|| |1539|Kth Missing Positive Number|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1539.Kth-Missing-Positive-Number)|55.0%|Easy|| |1540|Can Convert String in K Moves||32.1%|Medium|| |1541|Minimum Insertions to Balance a Parentheses String||47.2%|Medium|| |1542|Find Longest Awesome Substring||39.8%|Hard|| |1543|Fix Product Name Format||64.2%|Easy|| |1544|Make The String Great||55.9%|Easy|| |1545|Find Kth Bit in Nth Binary String||57.9%|Medium|| |1546|Maximum Number of Non-Overlapping Subarrays With Sum Equals Target||45.5%|Medium|| |1547|Minimum Cost to Cut a Stick||54.4%|Hard|| |1548|The Most Similar Path in a Graph||56.8%|Hard|| |1549|The Most Recent Orders for Each Product||67.9%|Medium|| |1550|Three Consecutive Odds||64.1%|Easy|| |1551|Minimum Operations to Make Array Equal|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1551.Minimum-Operations-to-Make-Array-Equal)|80.7%|Medium|| |1552|Magnetic Force Between Two Balls||52.5%|Medium|| |1553|Minimum Number of Days to Eat N Oranges||32.1%|Hard|| |1554|Strings Differ by One Character||65.6%|Medium|| |1555|Bank Account Summary||53.8%|Medium|| |1556|Thousand Separator||57.0%|Easy|| |1557|Minimum Number of Vertices to Reach All Nodes||77.1%|Medium|| |1558|Minimum Numbers of Function Calls to Make Target Array||63.7%|Medium|| |1559|Detect Cycles in 2D Grid||46.9%|Medium|| |1560|Most Visited Sector in a Circular Track||57.7%|Easy|| |1561|Maximum Number of Coins You Can Get||77.8%|Medium|| |1562|Find Latest Group of Size M||40.4%|Medium|| |1563|Stone Game V||40.8%|Hard|| |1564|Put Boxes Into the Warehouse I||64.3%|Medium|| |1565|Unique Orders and Customers Per Month||83.1%|Easy|| |1566|Detect Pattern of Length M Repeated K or More Times||43.5%|Easy|| |1567|Maximum Length of Subarray With Positive Product||41.2%|Medium|| |1568|Minimum Number of Days to Disconnect Island||49.7%|Hard|| |1569|Number of Ways to Reorder Array to Get Same BST||49.7%|Hard|| |1570|Dot Product of Two Sparse Vectors||90.8%|Medium|| |1571|Warehouse Manager||89.8%|Easy|| |1572|Matrix Diagonal Sum|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1572.Matrix-Diagonal-Sum)|78.2%|Easy|| |1573|Number of Ways to Split a String|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1573.Number-of-Ways-to-Split-a-String)|31.4%|Medium|| |1574|Shortest Subarray to be Removed to Make Array Sorted||34.8%|Medium|| |1575|Count All Possible Routes||57.7%|Hard|| |1576|Replace All ?'s to Avoid Consecutive Repeating Characters||50.3%|Easy|| |1577|Number of Ways Where Square of Number Is Equal to Product of Two Numbers||38.7%|Medium|| |1578|Minimum Deletion Cost to Avoid Repeating Letters||61.3%|Medium|| |1579|Remove Max Number of Edges to Keep Graph Fully Traversable|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1579.Remove-Max-Number-of-Edges-to-Keep-Graph-Fully-Traversable)|49.0%|Hard|| |1580|Put Boxes Into the Warehouse II||63.3%|Medium|| |1581|Customer Who Visited but Did Not Make Any Transactions||89.5%|Easy|| |1582|Special Positions in a Binary Matrix||64.5%|Easy|| |1583|Count Unhappy Friends||56.7%|Medium|| |1584|Min Cost to Connect All Points||59.8%|Medium|| |1585|Check If String Is Transformable With Substring Sort Operations||48.1%|Hard|| |1586|Binary Search Tree Iterator II||67.2%|Medium|| |1587|Bank Account Summary II||90.0%|Easy|| |1588|Sum of All Odd Length Subarrays||82.5%|Easy|| |1589|Maximum Sum Obtained of Any Permutation||35.9%|Medium|| |1590|Make Sum Divisible by P||28.0%|Medium|| |1591|Strange Printer II||54.9%|Hard|| |1592|Rearrange Spaces Between Words||44.0%|Easy|| |1593|Split a String Into the Max Number of Unique Substrings||52.2%|Medium|| |1594|Maximum Non Negative Product in a Matrix||32.7%|Medium|| |1595|Minimum Cost to Connect Two Groups of Points||44.4%|Hard|| |1596|The Most Frequently Ordered Products for Each Customer||85.7%|Medium|| |1597|Build Binary Expression Tree From Infix Expression||58.8%|Hard|| |1598|Crawler Log Folder||64.1%|Easy|| |1599|Maximum Profit of Operating a Centennial Wheel||43.7%|Medium|| |1600|Throne Inheritance|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1600.Throne-Inheritance)|62.2%|Medium|| |1601|Maximum Number of Achievable Transfer Requests||49.7%|Hard|| |1602|Find Nearest Right Node in Binary Tree||73.8%|Medium|| |1603|Design Parking System|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1603.Design-Parking-System)|86.9%|Easy|| |1604|Alert Using Same Key-Card Three or More Times in a One Hour Period||45.9%|Medium|| |1605|Find Valid Matrix Given Row and Column Sums||78.3%|Medium|| |1606|Find Servers That Handled Most Number of Requests||39.4%|Hard|| |1607|Sellers With No Sales||54.8%|Easy|| |1608|Special Array With X Elements Greater Than or Equal X|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1608.Special-Array-With-X-Elements-Greater-Than-or-Equal-X)|60.9%|Easy|| |1609|Even Odd Tree||52.4%|Medium|| |1610|Maximum Number of Visible Points||34.7%|Hard|| |1611|Minimum One Bit Operations to Make Integers Zero||61.6%|Hard|| |1612|Check If Two Expression Trees are Equivalent||68.9%|Medium|| |1613|Find the Missing IDs||76.3%|Medium|| |1614|Maximum Nesting Depth of the Parentheses|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1614.Maximum-Nesting-Depth-of-the-Parentheses)|82.8%|Easy|| |1615|Maximal Network Rank||55.4%|Medium|| |1616|Split Two Strings to Make Palindrome||31.2%|Medium|| |1617|Count Subtrees With Max Distance Between Cities||64.5%|Hard|| |1618|Maximum Font to Fit a Sentence in a Screen||57.4%|Medium|| |1619|Mean of Array After Removing Some Elements|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1619.Mean-of-Array-After-Removing-Some-Elements)|64.5%|Easy|| |1620|Coordinate With Maximum Network Quality||36.9%|Medium|| |1621|Number of Sets of K Non-Overlapping Line Segments||42.5%|Medium|| |1622|Fancy Sequence||15.2%|Hard|| |1623|All Valid Triplets That Can Represent a Country||88.5%|Easy|| |1624|Largest Substring Between Two Equal Characters|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1624.Largest-Substring-Between-Two-Equal-Characters)|59.0%|Easy|| |1625|Lexicographically Smallest String After Applying Operations||66.1%|Medium|| |1626|Best Team With No Conflicts||40.1%|Medium|| |1627|Graph Connectivity With Threshold||43.7%|Hard|| |1628|Design an Expression Tree With Evaluate Function||80.9%|Medium|| |1629|Slowest Key|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1629.Slowest-Key)|59.9%|Easy|| |1630|Arithmetic Subarrays||77.8%|Medium|| |1631|Path With Minimum Effort|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1631.Path-With-Minimum-Effort)|51.0%|Medium|| |1632|Rank Transform of a Matrix||40.6%|Hard|| |1633|Percentage of Users Attended a Contest||69.6%|Easy|| |1634|Add Two Polynomials Represented as Linked Lists||53.0%|Medium|| |1635|Hopper Company Queries I||55.9%|Hard|| |1636|Sort Array by Increasing Frequency|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1636.Sort-Array-by-Increasing-Frequency)|67.9%|Easy|| |1637|Widest Vertical Area Between Two Points Containing No Points||83.9%|Medium|| |1638|Count Substrings That Differ by One Character||71.9%|Medium|| |1639|Number of Ways to Form a Target String Given a Dictionary||41.7%|Hard|| |1640|Check Array Formation Through Concatenation|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1640.Check-Array-Formation-Through-Concatenation)|55.4%|Easy|| |1641|Count Sorted Vowel Strings|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1641.Count-Sorted-Vowel-Strings)|74.9%|Medium|| |1642|Furthest Building You Can Reach|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1642.Furthest-Building-You-Can-Reach)|43.8%|Medium|| |1643|Kth Smallest Instructions||45.4%|Hard|| |1644|Lowest Common Ancestor of a Binary Tree II||57.8%|Medium|| |1645|Hopper Company Queries II||39.9%|Hard|| |1646|Get Maximum in Generated Array|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1646.Get-Maximum-in-Generated-Array)|51.3%|Easy|| |1647|Minimum Deletions to Make Character Frequencies Unique|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1647.Minimum-Deletions-to-Make-Character-Frequencies-Unique)|56.0%|Medium|| |1648|Sell Diminishing-Valued Colored Balls|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1648.Sell-Diminishing-Valued-Colored-Balls)|31.5%|Medium|| |1649|Create Sorted Array through Instructions|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1649.Create-Sorted-Array-through-Instructions)|37.0%|Hard|| |1650|Lowest Common Ancestor of a Binary Tree III||77.3%|Medium|| |1651|Hopper Company Queries III||67.7%|Hard|| |1652|Defuse the Bomb|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1652.Defuse-the-Bomb)|60.6%|Easy|| |1653|Minimum Deletions to Make String Balanced|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1653.Minimum-Deletions-to-Make-String-Balanced)|54.0%|Medium|| |1654|Minimum Jumps to Reach Home|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1654.Minimum-Jumps-to-Reach-Home)|25.7%|Medium|| |1655|Distribute Repeating Integers|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1655.Distribute-Repeating-Integers)|40.7%|Hard|| |1656|Design an Ordered Stream|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1656.Design-an-Ordered-Stream)|82.6%|Easy|| |1657|Determine if Two Strings Are Close|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1657.Determine-if-Two-Strings-Are-Close)|54.7%|Medium|| |1658|Minimum Operations to Reduce X to Zero|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1658.Minimum-Operations-to-Reduce-X-to-Zero)|33.3%|Medium|| |1659|Maximize Grid Happiness|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1659.Maximize-Grid-Happiness)|36.8%|Hard|| |1660|Correct a Binary Tree||73.1%|Medium|| |1661|Average Time of Process per Machine||80.0%|Easy|| |1662|Check If Two String Arrays are Equivalent|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1662.Check-If-Two-String-Arrays-are-Equivalent)|82.0%|Easy|| |1663|Smallest String With A Given Numeric Value|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1663.Smallest-String-With-A-Given-Numeric-Value)|64.1%|Medium|| |1664|Ways to Make a Fair Array|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1664.Ways-to-Make-a-Fair-Array)|62.4%|Medium|| |1665|Minimum Initial Energy to Finish Tasks|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1665.Minimum-Initial-Energy-to-Finish-Tasks)|55.3%|Hard|| |1666|Change the Root of a Binary Tree||66.2%|Medium|| |1667|Fix Names in a Table||62.1%|Easy|| |1668|Maximum Repeating Substring|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1668.Maximum-Repeating-Substring)|39.4%|Easy|| |1669|Merge In Between Linked Lists|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1669.Merge-In-Between-Linked-Lists)|74.9%|Medium|| |1670|Design Front Middle Back Queue|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1670.Design-Front-Middle-Back-Queue)|54.9%|Medium|| |1671|Minimum Number of Removals to Make Mountain Array||43.7%|Hard|| |1672|Richest Customer Wealth|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1672.Richest-Customer-Wealth)|88.2%|Easy|| |1673|Find the Most Competitive Subsequence|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1673.Find-the-Most-Competitive-Subsequence)|47.3%|Medium|| |1674|Minimum Moves to Make Array Complementary|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1674.Minimum-Moves-to-Make-Array-Complementary)|36.8%|Medium|| |1675|Minimize Deviation in Array|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1675.Minimize-Deviation-in-Array)|48.2%|Hard|| |1676|Lowest Common Ancestor of a Binary Tree IV||79.2%|Medium|| |1677|Product's Worth Over Invoices||44.4%|Easy|| |1678|Goal Parser Interpretation|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1678.Goal-Parser-Interpretation)|85.2%|Easy|| |1679|Max Number of K-Sum Pairs|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1679.Max-Number-of-K-Sum-Pairs)|53.5%|Medium|| |1680|Concatenation of Consecutive Binary Numbers|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1680.Concatenation-of-Consecutive-Binary-Numbers)|52.5%|Medium|| |1681|Minimum Incompatibility|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1681.Minimum-Incompatibility)|36.6%|Hard|| |1682|Longest Palindromic Subsequence II||51.0%|Medium|| |1683|Invalid Tweets||90.8%|Easy|| |1684|Count the Number of Consistent Strings|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1684.Count-the-Number-of-Consistent-Strings)|81.7%|Easy|| |1685|Sum of Absolute Differences in a Sorted Array|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1685.Sum-of-Absolute-Differences-in-a-Sorted-Array)|64.5%|Medium|| |1686|Stone Game VI||52.7%|Medium|| |1687|Delivering Boxes from Storage to Ports||36.3%|Hard|| |1688|Count of Matches in Tournament|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1688.Count-of-Matches-in-Tournament)|82.4%|Easy|| |1689|Partitioning Into Minimum Number Of Deci-Binary Numbers|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1689.Partitioning-Into-Minimum-Number-Of-Deci-Binary-Numbers)|87.9%|Medium|| |1690|Stone Game VII|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1690.Stone-Game-VII)|58.9%|Medium|| |1691|Maximum Height by Stacking Cuboids|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1691.Maximum-Height-by-Stacking-Cuboids)|52.4%|Hard|| |1692|Count Ways to Distribute Candies||59.7%|Hard|| |1693|Daily Leads and Partners||91.1%|Easy|| |1694|Reformat Phone Number|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1694.Reformat-Phone-Number)|65.0%|Easy|| |1695|Maximum Erasure Value|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1695.Maximum-Erasure-Value)|52.2%|Medium|| |1696|Jump Game VI|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1696.Jump-Game-VI)|42.2%|Medium|| |1697|Checking Existence of Edge Length Limited Paths||48.3%|Hard|| |1698|Number of Distinct Substrings in a String||61.8%|Medium|| |1699|Number of Calls Between Two Persons||86.4%|Medium|| |1700|Number of Students Unable to Eat Lunch|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1700.Number-of-Students-Unable-to-Eat-Lunch)|67.6%|Easy|| |1701|Average Waiting Time||61.3%|Medium|| |1702|Maximum Binary String After Change||44.4%|Medium|| |1703|Minimum Adjacent Swaps for K Consecutive Ones||39.0%|Hard|| |1704|Determine if String Halves Are Alike|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1704.Determine-if-String-Halves-Are-Alike)|78.4%|Easy|| |1705|Maximum Number of Eaten Apples||35.1%|Medium|| |1706|Where Will the Ball Fall||65.8%|Medium|| |1707|Maximum XOR With an Element From Array||42.5%|Hard|| |1708|Largest Subarray Length K||63.8%|Easy|| |1709|Biggest Window Between Visits||79.8%|Medium|| |1710|Maximum Units on a Truck|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1710.Maximum-Units-on-a-Truck)|72.1%|Easy|| |1711|Count Good Meals||27.8%|Medium|| |1712|Ways to Split Array Into Three Subarrays||29.8%|Medium|| |1713|Minimum Operations to Make a Subsequence||47.1%|Hard|| |1714|Sum Of Special Evenly-Spaced Elements In Array||51.5%|Hard|| |1715|Count Apples and Oranges||78.0%|Medium|| |1716|Calculate Money in Leetcode Bank|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1716.Calculate-Money-in-Leetcode-Bank)|64.3%|Easy|| |1717|Maximum Score From Removing Substrings||43.2%|Medium|| |1718|Construct the Lexicographically Largest Valid Sequence||50.4%|Medium|| |1719|Number Of Ways To Reconstruct A Tree||40.6%|Hard|| |1720|Decode XORed Array|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1720.Decode-XORed-Array)|85.7%|Easy|| |1721|Swapping Nodes in a Linked List|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1721.Swapping-Nodes-in-a-Linked-List)|66.0%|Medium|| |1722|Minimize Hamming Distance After Swap Operations||46.7%|Medium|| |1723|Find Minimum Time to Finish All Jobs||42.0%|Hard|| |1724|Checking Existence of Edge Length Limited Paths II||53.9%|Hard|| |1725|Number Of Rectangles That Can Form The Largest Square|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1725.Number-Of-Rectangles-That-Can-Form-The-Largest-Square)|78.7%|Easy|| |1726|Tuple with Same Product||59.8%|Medium|| |1727|Largest Submatrix With Rearrangements||59.8%|Medium|| |1728|Cat and Mouse II||41.4%|Hard|| |1729|Find Followers Count||71.0%|Easy|| |1730|Shortest Path to Get Food||54.1%|Medium|| |1731|The Number of Employees Which Report to Each Employee||48.9%|Easy|| |1732|Find the Highest Altitude|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1732.Find-the-Highest-Altitude)|79.1%|Easy|| |1733|Minimum Number of People to Teach||39.8%|Medium|| |1734|Decode XORed Permutation|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1734.Decode-XORed-Permutation)|58.8%|Medium|| |1735|Count Ways to Make Array With Product||49.1%|Hard|| |1736|Latest Time by Replacing Hidden Digits|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1736.Latest-Time-by-Replacing-Hidden-Digits)|41.9%|Easy|| |1737|Change Minimum Characters to Satisfy One of Three Conditions||31.9%|Medium|| |1738|Find Kth Largest XOR Coordinate Value|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1738.Find-Kth-Largest-XOR-Coordinate-Value)|62.6%|Medium|| |1739|Building Boxes||50.8%|Hard|| |1740|Find Distance in a Binary Tree||68.0%|Medium|| |1741|Find Total Time Spent by Each Employee||91.1%|Easy|| |1742|Maximum Number of Balls in a Box|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1742.Maximum-Number-of-Balls-in-a-Box)|73.2%|Easy|| |1743|Restore the Array From Adjacent Pairs||67.1%|Medium|| |1744|Can You Eat Your Favorite Candy on Your Favorite Day?|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1744.Can-You-Eat-Your-Favorite-Candy-on-Your-Favorite-Day)|31.8%|Medium|| |1745|Palindrome Partitioning IV||49.8%|Hard|| |1746|Maximum Subarray Sum After One Operation||61.3%|Medium|| |1747|Leetflex Banned Accounts||67.7%|Medium|| |1748|Sum of Unique Elements|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1748.Sum-of-Unique-Elements)|75.1%|Easy|| |1749|Maximum Absolute Sum of Any Subarray||55.6%|Medium|| |1750|Minimum Length of String After Deleting Similar Ends||42.6%|Medium|| |1751|Maximum Number of Events That Can Be Attended II||53.3%|Hard|| |1752|Check if Array Is Sorted and Rotated|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1752.Check-if-Array-Is-Sorted-and-Rotated)|45.1%|Easy|| |1753|Maximum Score From Removing Stones||64.2%|Medium|| |1754|Largest Merge Of Two Strings||42.8%|Medium|| |1755|Closest Subsequence Sum||36.0%|Hard|| |1756|Design Most Recently Used Queue||77.8%|Medium|| |1757|Recyclable and Low Fat Products||95.8%|Easy|| |1758|Minimum Changes To Make Alternating Binary String|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1758.Minimum-Changes-To-Make-Alternating-Binary-String)|58.8%|Easy|| |1759|Count Number of Homogenous Substrings||44.7%|Medium|| |1760|Minimum Limit of Balls in a Bag||55.4%|Medium|| |1761|Minimum Degree of a Connected Trio in a Graph||40.7%|Hard|| |1762|Buildings With an Ocean View||81.4%|Medium|| |1763|Longest Nice Substring||61.5%|Easy|| |1764|Form Array by Concatenating Subarrays of Another Array||52.9%|Medium|| |1765|Map of Highest Peak||58.3%|Medium|| |1766|Tree of Coprimes||37.8%|Hard|| |1767|Find the Subtasks That Did Not Execute||87.9%|Hard|| |1768|Merge Strings Alternately||74.3%|Easy|| |1769|Minimum Number of Operations to Move All Balls to Each Box||85.6%|Medium|| |1770|Maximum Score from Performing Multiplication Operations||31.5%|Medium|| |1771|Maximize Palindrome Length From Subsequences||34.6%|Hard|| |1772|Sort Features by Popularity||64.7%|Medium|| |1773|Count Items Matching a Rule||84.6%|Easy|| |1774|Closest Dessert Cost||45.7%|Medium|| |1775|Equal Sum Arrays With Minimum Number of Operations||50.8%|Medium|| |1776|Car Fleet II||51.5%|Hard|| |1777|Product's Price for Each Store||86.3%|Easy|| |1778|Shortest Path in a Hidden Grid||44.1%|Medium|| |1779|Find Nearest Point That Has the Same X or Y Coordinate||67.7%|Easy|| |1780|Check if Number is a Sum of Powers of Three||64.0%|Medium|| |1781|Sum of Beauty of All Substrings||59.4%|Medium|| |1782|Count Pairs Of Nodes||36.6%|Hard|| |1783|Grand Slam Titles||90.3%|Medium|| |1784|Check if Binary String Has at Most One Segment of Ones||41.0%|Easy|| |1785|Minimum Elements to Add to Form a Given Sum||40.7%|Medium|| |1786|Number of Restricted Paths From First to Last Node||37.4%|Medium|| |1787|Make the XOR of All Segments Equal to Zero||38.3%|Hard|| |1788|Maximize the Beauty of the Garden||67.6%|Hard|| |1789|Primary Department for Each Employee||80.0%|Easy|| |1790|Check if One String Swap Can Make Strings Equal||45.2%|Easy|| |1791|Find Center of Star Graph||83.9%|Easy|| |1792|Maximum Average Pass Ratio||49.7%|Medium|| |1793|Maximum Score of a Good Subarray||50.2%|Hard|| |1794|Count Pairs of Equal Substrings With Minimum Difference||65.2%|Medium|| |1795|Rearrange Products Table||90.3%|Easy|| |1796|Second Largest Digit in a String||48.3%|Easy|| |1797|Design Authentication Manager||51.4%|Medium|| |1798|Maximum Number of Consecutive Values You Can Make||49.9%|Medium|| |1799|Maximize Score After N Operations||46.4%|Hard|| |1800|Maximum Ascending Subarray Sum||64.7%|Easy|| |1801|Number of Orders in the Backlog||45.2%|Medium|| |1802|Maximum Value at a Given Index in a Bounded Array||29.0%|Medium|| |1803|Count Pairs With XOR in a Range||45.7%|Hard|| |1804|Implement Trie II (Prefix Tree)||58.2%|Medium|| |1805|Number of Different Integers in a String||35.1%|Easy|| |1806|Minimum Number of Operations to Reinitialize a Permutation||70.4%|Medium|| |1807|Evaluate the Bracket Pairs of a String||66.3%|Medium|| |1808|Maximize Number of Nice Divisors||29.4%|Hard|| |1809|Ad-Free Sessions||60.8%|Easy|| |1810|Minimum Path Cost in a Hidden Grid||53.2%|Medium|| |1811|Find Interview Candidates||66.5%|Medium|| |1812|Determine Color of a Chessboard Square||77.3%|Easy|| |1813|Sentence Similarity III||31.7%|Medium|| |1814|Count Nice Pairs in an Array||39.6%|Medium|| |1815|Maximum Number of Groups Getting Fresh Donuts||39.9%|Hard|| |1816|Truncate Sentence||80.7%|Easy|| |1817|Finding the Users Active Minutes||79.7%|Medium|| |1818|Minimum Absolute Sum Difference|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1818.Minimum-Absolute-Sum-Difference)|28.3%|Medium|| |1819|Number of Different Subsequences GCDs||36.1%|Hard|| |1820|Maximum Number of Accepted Invitations||46.0%|Medium|| |1821|Find Customers With Positive Revenue this Year||89.8%|Easy|| |1822|Sign of the Product of an Array||66.9%|Easy|| |1823|Find the Winner of the Circular Game||74.3%|Medium|| |1824|Minimum Sideway Jumps||48.9%|Medium|| |1825|Finding MK Average||31.5%|Hard|| |1826|Faulty Sensor||50.4%|Easy|| |1827|Minimum Operations to Make the Array Increasing||78.2%|Easy|| |1828|Queries on Number of Points Inside a Circle||86.5%|Medium|| |1829|Maximum XOR for Each Query||75.3%|Medium|| |1830|Minimum Number of Operations to Make String Sorted||47.2%|Hard|| |1831|Maximum Transaction Each Day||84.8%|Medium|| |1832|Check if the Sentence Is Pangram||81.7%|Easy|| |1833|Maximum Ice Cream Bars||64.2%|Medium|| |1834|Single-Threaded CPU||38.3%|Medium|| |1835|Find XOR Sum of All Pairs Bitwise AND||57.8%|Hard|| |1836|Remove Duplicates From an Unsorted Linked List||69.4%|Medium|| |1837|Sum of Digits in Base K||75.8%|Easy|| |1838|Frequency of the Most Frequent Element||35.1%|Medium|| |1839|Longest Substring Of All Vowels in Order||47.4%|Medium|| |1840|Maximum Building Height||34.6%|Hard|| |1841|League Statistics||60.3%|Medium|| |1842|Next Palindrome Using Same Digits||60.0%|Hard|| |1843|Suspicious Bank Accounts||49.8%|Medium|| |1844|Replace All Digits with Characters||80.2%|Easy|| |1845|Seat Reservation Manager||58.3%|Medium|| |1846|Maximum Element After Decreasing and Rearranging|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1846.Maximum-Element-After-Decreasing-and-Rearranging)|55.9%|Medium|| |1847|Closest Room||32.1%|Hard|| |1848|Minimum Distance to the Target Element||59.9%|Easy|| |1849|Splitting a String Into Descending Consecutive Values||28.7%|Medium|| |1850|Minimum Adjacent Swaps to Reach the Kth Smallest Number||73.3%|Medium|| |1851|Minimum Interval to Include Each Query||44.7%|Hard|| |1852|Distinct Numbers in Each Subarray||74.3%|Medium|| |1853|Convert Date Format||88.7%|Easy|| |1854|Maximum Population Year||58.1%|Easy|| |1855|Maximum Distance Between a Pair of Values||47.8%|Medium|| |1856|Maximum Subarray Min-Product||34.2%|Medium|| |1857|Largest Color Value in a Directed Graph||37.8%|Hard|| |1858|Longest Word With All Prefixes||65.5%|Medium|| |1859|Sorting the Sentence||83.5%|Easy|| |1860|Incremental Memory Leak||70.0%|Medium|| |1861|Rotating the Box||63.6%|Medium|| |1862|Sum of Floored Pairs||27.7%|Hard|| |1863|Sum of All Subset XOR Totals||78.1%|Easy|| |1864|Minimum Number of Swaps to Make the Binary String Alternating||37.0%|Medium|| |1865|Finding Pairs With a Certain Sum||47.3%|Medium|| |1866|Number of Ways to Rearrange Sticks With K Sticks Visible||55.1%|Hard|| |1867|Orders With Maximum Quantity Above Average||79.3%|Medium|| |1868|Product of Two Run-Length Encoded Arrays||58.4%|Medium|| |1869|Longer Contiguous Segments of Ones than Zeros||59.7%|Easy|| |1870|Minimum Speed to Arrive on Time||34.3%|Medium|| |1871|Jump Game VII||24.4%|Medium|| |1872|Stone Game VIII||51.9%|Hard|| |1873|Calculate Special Bonus||91.2%|Easy|| |1874|Minimize Product Sum of Two Arrays||89.0%|Medium|| |1875|Group Employees of the Same Salary||75.6%|Medium|| |1876|Substrings of Size Three with Distinct Characters||69.3%|Easy|| |1877|Minimize Maximum Pair Sum in Array|[Go](https://github.com/halfrost/LeetCode-Go/tree/master/leetcode/1877.Minimize-Maximum-Pair-Sum-in-Array)|80.1%|Medium|| |1878|Get Biggest Three Rhombus Sums in a Grid||44.1%|Medium|| |1879|Minimum XOR Sum of Two Arrays||39.3%|Hard|| |1880|Check if Word Equals Summation of Two Words||72.7%|Easy|| |1881|Maximum Value after Insertion||34.6%|Medium|| |1882|Process Tasks Using Servers||35.1%|Medium|| |1883|Minimum Skips to Arrive at Meeting On Time||38.7%|Hard|| |1884|Egg Drop With 2 Eggs and N Floors||70.0%|Medium|| |1885|Count Pairs in Two Arrays||57.4%|Medium|| |1886|Determine Whether Matrix Can Be Obtained By Rotation||54.4%|Easy|| |1887|Reduction Operations to Make the Array Elements Equal||60.7%|Medium|| |1888|Minimum Number of Flips to Make the Binary String Alternating||35.1%|Medium|| |1889|Minimum Space Wasted From Packaging||29.5%|Hard|| |1890|The Latest Login in 2020||84.6%|Easy|| |1891|Cutting Ribbons||49.8%|Medium|| |1892|Page Recommendations II||45.1%|Hard|| |1893|Check if All the Integers in a Range Are Covered||50.5%|Easy|| |1894|Find the Student that Will Replace the Chalk||40.3%|Medium|| |1895|Largest Magic Square||50.5%|Medium|| |1896|Minimum Cost to Change the Final Value of Expression||51.9%|Hard|| |1897|Redistribute Characters to Make All Strings Equal||60.0%|Easy|| |1898|Maximum Number of Removable Characters||34.2%|Medium|| |1899|Merge Triplets to Form Target Triplet||60.2%|Medium|| |1900|The Earliest and Latest Rounds Where Players Compete||50.3%|Hard|| |1901|Find a Peak Element II||54.9%|Medium|| |1902|Depth of BST Given Insertion Order||48.6%|Medium|| |1903|Largest Odd Number in String||57.1%|Easy|| |1904|The Number of Full Rounds You Have Played||48.2%|Medium|| |1905|Count Sub Islands||61.8%|Medium|| |1906|Minimum Absolute Difference Queries||42.4%|Medium|| |1907|Count Salary Categories||67.1%|Medium|| |1908|Game of Nim||60.0%|Medium|| |1909|Remove One Element to Make the Array Strictly Increasing||29.0%|Easy|| |1910|Remove All Occurrences of a Substring||70.2%|Medium|| |1911|Maximum Alternating Subsequence Sum||58.5%|Medium|| |1912|Design Movie Rental System||42.5%|Hard|| |1913|Maximum Product Difference Between Two Pairs||81.2%|Easy|| |1914|Cyclically Rotating a Grid||45.0%|Medium|| |1915|Number of Wonderful Substrings||41.0%|Medium|| |1916|Count Ways to Build Rooms in an Ant Colony||49.2%|Hard|| |1917|Leetcodify Friends Recommendations||30.5%|Hard|| |1918|Kth Smallest Subarray Sum||55.6%|Medium|| |1919|Leetcodify Similar Friends||43.6%|Hard|| |1920|Build Array from Permutation||92.0%|Easy|| |1921|Eliminate Maximum Number of Monsters||37.5%|Medium|| |1922|Count Good Numbers||38.4%|Medium|| |1923|Longest Common Subpath||27.9%|Hard|| |1924|Erect the Fence II||62.3%|Hard|| |1925|Count Square Sum Triples||66.3%|Easy|| |1926|Nearest Exit from Entrance in Maze||36.4%|Medium|| |1927|Sum Game||46.7%|Medium|| |1928|Minimum Cost to Reach Destination in Time||35.6%|Hard|| |1929|Concatenation of Array||92.0%|Easy|| |1930|Unique Length-3 Palindromic Subsequences||50.0%|Medium|| |1931|Painting a Grid With Three Different Colors||56.1%|Hard|| |1932|Merge BSTs to Create Single BST||33.5%|Hard|| |1933|Check if String Is Decomposable Into Value-Equal Substrings||52.8%|Easy|| |1934|Confirmation Rate||78.8%|Medium|| |1935|Maximum Number of Words You Can Type||72.3%|Easy|| |1936|Add Minimum Number of Rungs||41.7%|Medium|| |1937|Maximum Number of Points with Cost||32.0%|Medium|| |1938|Maximum Genetic Difference Query||38.8%|Hard|| |1939|Users That Actively Request Confirmation Messages||62.8%|Easy|| |1940|Longest Common Subsequence Between Sorted Arrays||80.5%|Medium|| |1941|Check if All Characters Have Equal Number of Occurrences||76.9%|Easy|| |1942|The Number of the Smallest Unoccupied Chair||37.4%|Medium|| |1943|Describe the Painting||45.4%|Medium|| |1944|Number of Visible People in a Queue||65.7%|Hard|| |1945|Sum of Digits of String After Convert||61.8%|Easy|| |1946|Largest Number After Mutating Substring||33.4%|Medium|| |1947|Maximum Compatibility Score Sum||58.3%|Medium|| |1948|Delete Duplicate Folders in System||59.8%|Hard|| |1949|Strong Friendship||61.1%|Medium|| |1950|Maximum of Minimum Values in All Subarrays||49.0%|Medium|| |1951|All the Pairs With the Maximum Number of Common Followers||74.1%|Medium|| |1952|Three Divisors||56.1%|Easy|| |1953|Maximum Number of Weeks for Which You Can Work||35.6%|Medium|| |1954|Minimum Garden Perimeter to Collect Enough Apples||52.0%|Medium|| |1955|Count Number of Special Subsequences||50.2%|Hard|| |1956|Minimum Time For K Virus Variants to Spread||42.7%|Hard|| |1957|Delete Characters to Make Fancy String||55.1%|Easy|| |1958|Check if Move is Legal||42.2%|Medium|| |1959|Minimum Total Space Wasted With K Resizing Operations||41.0%|Medium|| |1960|Maximum Product of the Length of Two Palindromic Substrings||27.5%|Hard|| |1961|Check If String Is a Prefix of Array||54.3%|Easy|| |1962|Remove Stones to Minimize the Total||54.3%|Medium|| |1963|Minimum Number of Swaps to Make the String Balanced||64.7%|Medium|| |1964|Find the Longest Valid Obstacle Course at Each Position||43.5%|Hard|| |1965|Employees With Missing Information||82.7%|Easy|| |1966|Binary Searchable Numbers in an Unsorted Array||66.2%|Medium|| |1967|Number of Strings That Appear as Substrings in Word||78.3%|Easy|| |1968|Array With Elements Not Equal to Average of Neighbors||47.5%|Medium|| |1969|Minimum Non-Zero Product of the Array Elements||31.6%|Medium|| |1970|Last Day Where You Can Still Cross||47.8%|Hard|| |1971|Find if Path Exists in Graph||49.9%|Easy|| |1972|First and Last Call On the Same Day||52.7%|Hard|| |1973|Count Nodes Equal to Sum of Descendants||75.2%|Medium|| |1974|Minimum Time to Type Word Using Special Typewriter||72.3%|Easy|| |1975|Maximum Matrix Sum||43.3%|Medium|| |1976|Number of Ways to Arrive at Destination||31.4%|Medium|| |1977|Number of Ways to Separate Numbers||24.2%|Hard|| |1978|Employees Whose Manager Left the Company||49.9%|Easy|| |1979|Find Greatest Common Divisor of Array||79.0%|Easy|| |1980|Find Unique Binary String||61.7%|Medium|| |1981|Minimize the Difference Between Target and Chosen Elements||32.6%|Medium|| |1982|Find Array Given Subset Sums||46.1%|Hard|| |1983|Widest Pair of Indices With Equal Range Sum||55.4%|Medium|| |1984|Minimum Difference Between Highest and Lowest of K Scores||54.1%|Easy|| |1985|Find the Kth Largest Integer in the Array||43.9%|Medium|| |1986|Minimum Number of Work Sessions to Finish the Tasks||30.8%|Medium|| |1987|Number of Unique Good Subsequences||50.7%|Hard|| |1988|Find Cutoff Score for Each School||71.5%|Medium|| |1989|Maximum Number of People That Can Be Caught in Tag||57.7%|Medium|| |1990|Count the Number of Experiments||52.4%|Medium|| |1991|Find the Middle Index in Array||64.7%|Easy|| |1992|Find All Groups of Farmland||65.4%|Medium|| |1993|Operations on Tree||39.8%|Medium|| |1994|The Number of Good Subsets||32.1%|Hard|| |1995|Count Special Quadruplets||56.2%|Easy|| |1996|The Number of Weak Characters in the Game||28.7%|Medium|| |1997|First Day Where You Have Been in All the Rooms||34.2%|Medium|| |1998|GCD Sort of an Array||45.5%|Hard|| |1999|Smallest Greater Multiple Made of Two Digits||54.0%|Medium|| |2000|Reverse Prefix of Word||78.5%|Easy|| |2001|Number of Pairs of Interchangeable Rectangles||41.3%|Medium|| |2002|Maximum Product of the Length of Two Palindromic Subsequences||51.0%|Medium|| |2003|Smallest Missing Genetic Value in Each Subtree||40.6%|Hard|| |2004|The Number of Seniors and Juniors to Join the Company||41.0%|Hard|| |2005|Subtree Removal Game with Fibonacci Tree||63.0%|Hard|| |2006|Count Number of Pairs With Absolute Difference K||84.0%|Easy|| |2007|Find Original Array From Doubled Array||33.6%|Medium|| |2008|Maximum Earnings From Taxi||41.4%|Medium|| |2009|Minimum Number of Operations to Make Array Continuous||44.9%|Hard|| |2010|The Number of Seniors and Juniors to Join the Company II||58.8%|Hard|| |2011|Final Value of Variable After Performing Operations||90.0%|Easy|| |2012|Sum of Beauty in the Array||44.1%|Medium|| |2013|Detect Squares||36.4%|Medium|| |2014|Longest Subsequence Repeated k Times||53.8%|Hard|| |2015|Average Height of Buildings in Each Segment||62.2%|Medium|| |2016|Maximum Difference Between Increasing Elements||55.8%|Easy|| |2017|Grid Game||40.5%|Medium|| |2018|Check if Word Can Be Placed In Crossword||46.3%|Medium|| |2019|The Score of Students Solving Math Expression||31.7%|Hard|| |2020|Number of Accounts That Did Not Stream||71.7%|Medium|| |2021|Brightest Position on Street||66.0%|Medium|| |2022|Convert 1D Array Into 2D Array||61.5%|Easy|| |2023|Number of Pairs of Strings With Concatenation Equal to Target||73.2%|Medium|| |2024|Maximize the Confusion of an Exam||53.3%|Medium|| |2025|Maximum Number of Ways to Partition an Array||27.8%|Hard|| |2026|Low-Quality Problems||86.2%|Easy|| |2027|Minimum Moves to Convert String||52.2%|Easy|| |2028|Find Missing Observations||40.8%|Medium|| |2029|Stone Game IX||22.9%|Medium|| |2030|Smallest K-Length Subsequence With Occurrences of a Letter||38.1%|Hard|| |2031|Count Subarrays With More Ones Than Zeros||54.6%|Medium|| |2032|Two Out of Three||71.9%|Easy|| |2033|Minimum Operations to Make a Uni-Value Grid||47.6%|Medium|| |2034|Stock Price Fluctuation||37.0%|Medium|| |2035|Partition Array Into Two Arrays to Minimize Sum Difference||24.8%|Hard|| |2036|Maximum Alternating Subarray Sum||43.9%|Medium|| |2037|Minimum Number of Moves to Seat Everyone||83.8%|Easy|| |2038|Remove Colored Pieces if Both Neighbors are the Same Color||53.6%|Medium|| |2039|The Time When the Network Becomes Idle||47.0%|Medium|| |2040|Kth Smallest Product of Two Sorted Arrays||23.5%|Hard|| |2041|Accepted Candidates From the Interviews||75.4%|Medium|| |2042|Check if Numbers Are Ascending in a Sentence||70.6%|Easy|| |2043|Simple Bank System||64.0%|Medium|| |2044|Count Number of Maximum Bitwise-OR Subsets||74.6%|Medium|| |2045|Second Minimum Time to Reach Destination||34.8%|Hard|| |2046|Sort Linked List Already Sorted Using Absolute Values||72.9%|Medium|| |2047|Number of Valid Words in a Sentence||28.0%|Easy|| |2048|Next Greater Numerically Balanced Number||45.1%|Medium|| |2049|Count Nodes With the Highest Score||45.3%|Medium|| |2050|Parallel Courses III||60.6%|Hard|| |2051|The Category of Each Member in the Store||78.1%|Medium|| |2052|Minimum Cost to Separate Sentence Into Rows||55.1%|Medium|| |2053|Kth Distinct String in an Array||74.5%|Easy|| |2054|Two Best Non-Overlapping Events||38.6%|Medium|| |2055|Plates Between Candles||51.7%|Medium|| |2056|Number of Valid Move Combinations On Chessboard||58.8%|Hard|| |2057|Smallest Index With Equal Value||75.1%|Easy|| |2058|Find the Minimum and Maximum Number of Nodes Between Critical Points||59.1%|Medium|| |2059|Minimum Operations to Convert Number||44.4%|Medium|| |2060|Check if an Original String Exists Given Two Encoded Strings||32.6%|Hard|| |2061|Number of Spaces Cleaning Robot Cleaned||61.0%|Medium|| |2062|Count Vowel Substrings of a String||65.8%|Easy|| |2063|Vowels of All Substrings||52.7%|Medium|| |2064|Minimized Maximum of Products Distributed to Any Store||43.5%|Medium|| |2065|Maximum Path Quality of a Graph||56.1%|Hard|| |2066|Account Balance||84.5%|Medium|| |2067|Number of Equal Count Substrings||64.0%|Medium|| |2068|Check Whether Two Strings are Almost Equivalent||67.7%|Easy|| |2069|Walking Robot Simulation II||15.5%|Medium|| |2070|Most Beautiful Item for Each Query||42.7%|Medium|| |2071|Maximum Number of Tasks You Can Assign||29.4%|Hard|| |2072|The Winner University||92.2%|Easy|| |2073|Time Needed to Buy Tickets||56.3%|Easy|| |2074|Reverse Nodes in Even Length Groups||38.9%|Medium|| |2075|Decode the Slanted Ciphertext||46.9%|Medium|| |2076|Process Restricted Friend Requests||39.1%|Hard|| |------------|-------------------------------------------------------|-------| ----------------| ---------------|-------------| ------------------------------------------------------------------ 下面这些是免费的算法题,但是暂时还不能使用 Go 解答的: 暂无 ------------------------------------------------------------------ ## 三.分类 ## Array Problems List in [there](https://books.halfrost.com/leetcode/ChapterTwo/Array/) ## String Problems List in [there](https://books.halfrost.com/leetcode/ChapterTwo/String/) ## Two Pointers ![](./topic/Two_pointers.png) - 双指针滑动窗口的经典写法。右指针不断往右移,移动到不能往右移动为止(具体条件根据题目而定)。当右指针到最右边以后,开始挪动左指针,释放窗口左边界。第 3 题,第 76 题,第 209 题,第 424 题,第 438 题,第 567 题,第 713 题,第 763 题,第 845 题,第 881 题,第 904 题,第 978 题,第 992 题,第 1004 题,第 1040 题,第 1052 题。 ```c left, right := 0, -1 for left < len(s) { if right+1 < len(s) && freq[s[right+1]-'a'] == 0 { freq[s[right+1]-'a']++ right++ } else { freq[s[left]-'a']-- left++ } result = max(result, right-left+1) } ``` - 快慢指针可以查找重复数字,时间复杂度 O(n),第 287 题。 - 替换字母以后,相同字母能出现连续最长的长度。第 424 题。 - SUM 问题集。第 1 题,第 15 题,第 16 题,第 18 题,第 167 题,第 923 题,第 1074 题。 Problems List in [there](https://books.halfrost.com/leetcode/ChapterTwo/Two_Pointers/) ## Linked List ![](./topic/Linked_List.png) - 巧妙的构造虚拟头结点。可以使遍历处理逻辑更加统一。 - 灵活使用递归。构造递归条件,使用递归可以巧妙的解题。不过需要注意有些题目不能使用递归,因为递归深度太深会导致超时和栈溢出。 - 链表区间逆序。第 92 题。 - 链表寻找中间节点。第 876 题。链表寻找倒数第 n 个节点。第 19 题。只需要一次遍历就可以得到答案。 - 合并 K 个有序链表。第 21 题,第 23 题。 - 链表归类。第 86 题,第 328 题。 - 链表排序,时间复杂度要求 O(n * log n),空间复杂度 O(1)。只有一种做法,归并排序,至顶向下归并。第 148 题。 - 判断链表是否存在环,如果有环,输出环的交叉点的下标;判断 2 个链表是否有交叉点,如果有交叉点,输出交叉点。第 141 题,第 142 题,第 160 题。 Problems List in [there](https://books.halfrost.com/leetcode/ChapterTwo/Linked_List/) ## Stack ![](./topic/Stack.png) - 括号匹配问题及类似问题。第 20 题,第 921 题,第 1021 题。 - 栈的基本 pop 和 push 操作。第 71 题,第 150 题,第 155 题,第 224 题,第 225 题,第 232 题,第 946 题,第 1047 题。 - 利用栈进行编码问题。第 394 题,第 682 题,第 856 题,第 880 题。 - **单调栈**。**利用栈维护一个单调递增或者递减的下标数组**。第 84 题,第 456 题,第 496 题,第 503 题,第 739 题,第 901 题,第 907 题,第 1019 题。 Problems List in [there](https://books.halfrost.com/leetcode/ChapterTwo/Stack/) ## Tree Problems List in [there](https://books.halfrost.com/leetcode/ChapterTwo/Tree/) ## Dynamic Programming Problems List in [there](https://books.halfrost.com/leetcode/ChapterTwo/Dynamic_Programming/) ## Backtracking ![](./topic/Backtracking.png) - 排列问题 Permutations。第 46 题,第 47 题。第 60 题,第 526 题,第 996 题。 - 组合问题 Combination。第 39 题,第 40 题,第 77 题,第 216 题。 - 排列和组合杂交问题。第 1079 题。 - N 皇后终极解法(二进制解法)。第 51 题,第 52 题。 - 数独问题。第 37 题。 - 四个方向搜索。第 79 题,第 212 题,第 980 题。 - 子集合问题。第 78 题,第 90 题。 - Trie。第 208 题,第 211 题。 - BFS 优化。第 126 题,第 127 题。 - DFS 模板。(只是一个例子,不对应任何题) ```go func combinationSum2(candidates []int, target int) [][]int { if len(candidates) == 0 { return [][]int{} } c, res := []int{}, [][]int{} sort.Ints(candidates) findcombinationSum2(candidates, target, 0, c, &res) return res } func findcombinationSum2(nums []int, target, index int, c []int, res *[][]int) { if target == 0 { b := make([]int, len(c)) copy(b, c) *res = append(*res, b) return } for i := index; i < len(nums); i++ { if i > index && nums[i] == nums[i-1] { // 这里是去重的关键逻辑 continue } if target >= nums[i] { c = append(c, nums[i]) findcombinationSum2(nums, target-nums[i], i+1, c, res) c = c[:len(c)-1] } } } ``` - BFS 模板。(只是一个例子,不对应任何题) ```go func updateMatrix_BFS(matrix [][]int) [][]int { res := make([][]int, len(matrix)) if len(matrix) == 0 || len(matrix[0]) == 0 { return res } queue := make([][]int, 0) for i, _ := range matrix { res[i] = make([]int, len(matrix[0])) for j, _ := range res[i] { if matrix[i][j] == 0 { res[i][j] = -1 queue = append(queue, []int{i, j}) } } } level := 1 for len(queue) > 0 { size := len(queue) for size > 0 { size -= 1 node := queue[0] queue = queue[1:] i, j := node[0], node[1] for _, direction := range [][]int{{-1, 0}, {1, 0}, {0, 1}, {0, -1}} { x := i + direction[0] y := j + direction[1] if x < 0 || x >= len(matrix) || y < 0 || y >= len(matrix[0]) || res[x][y] < 0 || res[x][y] > 0 { continue } res[x][y] = level queue = append(queue, []int{x, y}) } } level++ } for i, row := range res { for j, cell := range row { if cell == -1 { res[i][j] = 0 } } } return res } ``` Problems List in [there](https://books.halfrost.com/leetcode/ChapterTwo/Backtracking/) ## Depth First Search Problems List in [there](https://books.halfrost.com/leetcode/ChapterTwo/Depth_First_Search/) ## Breadth First Search Problems List in [there](https://books.halfrost.com/leetcode/ChapterTwo/Breadth_First_Search/) ## Binary Search ![]() - 二分搜索的经典写法。需要注意的三点: 1. 循环退出条件,注意是 low <= high,而不是 low < high。 2. mid 的取值,mid := low + (high-low)>>1 3. low 和 high 的更新。low = mid + 1,high = mid - 1。 ```go func binarySearchMatrix(nums []int, target int) int { low, high := 0, len(nums)-1 for low <= high { mid := low + (high-low)>>1 if nums[mid] == target { return mid } else if nums[mid] > target { high = mid - 1 } else { low = mid + 1 } } return -1 } ``` - 二分搜索的变种写法。有 4 个基本变种: 1. 查找第一个与 target 相等的元素,时间复杂度 O(logn) 2. 查找最后一个与 target 相等的元素,时间复杂度 O(logn) 3. 查找第一个大于等于 target 的元素,时间复杂度 O(logn) 4. 查找最后一个小于等于 target 的元素,时间复杂度 O(logn) ```go // 二分查找第一个与 target 相等的元素,时间复杂度 O(logn) func searchFirstEqualElement(nums []int, target int) int { low, high := 0, len(nums)-1 for low <= high { mid := low + ((high - low) >> 1) if nums[mid] > target { high = mid - 1 } else if nums[mid] < target { low = mid + 1 } else { if (mid == 0) || (nums[mid-1] != target) { // 找到第一个与 target 相等的元素 return mid } high = mid - 1 } } return -1 } // 二分查找最后一个与 target 相等的元素,时间复杂度 O(logn) func searchLastEqualElement(nums []int, target int) int { low, high := 0, len(nums)-1 for low <= high { mid := low + ((high - low) >> 1) if nums[mid] > target { high = mid - 1 } else if nums[mid] < target { low = mid + 1 } else { if (mid == len(nums)-1) || (nums[mid+1] != target) { // 找到最后一个与 target 相等的元素 return mid } low = mid + 1 } } return -1 } // 二分查找第一个大于等于 target 的元素,时间复杂度 O(logn) func searchFirstGreaterElement(nums []int, target int) int { low, high := 0, len(nums)-1 for low <= high { mid := low + ((high - low) >> 1) if nums[mid] >= target { if (mid == 0) || (nums[mid-1] < target) { // 找到第一个大于等于 target 的元素 return mid } high = mid - 1 } else { low = mid + 1 } } return -1 } // 二分查找最后一个小于等于 target 的元素,时间复杂度 O(logn) func searchLastLessElement(nums []int, target int) int { low, high := 0, len(nums)-1 for low <= high { mid := low + ((high - low) >> 1) if nums[mid] <= target { if (mid == len(nums)-1) || (nums[mid+1] > target) { // 找到最后一个小于等于 target 的元素 return mid } low = mid + 1 } else { high = mid - 1 } } return -1 } ``` - 在基本有序的数组中用二分搜索。经典解法可以解,变种写法也可以写,常见的题型,在山峰数组中找山峰,在旋转有序数组中找分界点。第 33 题,第 81 题,第 153 题,第 154 题,第 162 题,第 852 题 ```go func peakIndexInMountainArray(A []int) int { low, high := 0, len(A)-1 for low < high { mid := low + (high-low)>>1 // 如果 mid 较大,则左侧存在峰值,high = m,如果 mid + 1 较大,则右侧存在峰值,low = mid + 1 if A[mid] > A[mid+1] { high = mid } else { low = mid + 1 } } return low } ``` - max-min 最大值最小化问题。求在最小满足条件的情况下的最大值。第 410 题,第 875 题,第 1011 题,第 1283 题。 Problems List in [there](https://books.halfrost.com/leetcode/ChapterTwo/Binary_Search/) ## Math Problems List in [there](https://books.halfrost.com/leetcode/ChapterTwo/Math/) ## Hash Table Problems List in [there](https://books.halfrost.com/leetcode/ChapterTwo/Hash_Table/) ## Sort ![](./topic/Sort.png) - 深刻的理解多路快排。第 75 题。 - 链表的排序,插入排序(第 147 题)和归并排序(第 148 题) - 桶排序和基数排序。第 164 题。 - "摆动排序"。第 324 题。 - 两两不相邻的排序。第 767 题,第 1054 题。 - "饼子排序"。第 969 题。 Problems List in [there](https://books.halfrost.com/leetcode/ChapterTwo/Sort/) ## Bit Manipulation ![](./topic/Bit_Manipulation.png) - 异或的特性。第 136 题,第 268 题,第 389 题,第 421 题, ```go x ^ 0 = x x ^ 11111……1111 = ~x x ^ (~x) = 11111……1111 x ^ x = 0 a ^ b = c => a ^ c = b => b ^ c = a (交换律) a ^ b ^ c = a ^ (b ^ c) = (a ^ b)^ c (结合律) ``` - 构造特殊 Mask,将特殊位置放 0 或 1。 ```go 将 x 最右边的 n 位清零, x & ( ~0 << n ) 获取 x 的第 n 位值(0 或者 1),(x >> n) & 1 获取 x 的第 n 位的幂值,x & (1 << (n - 1)) 仅将第 n 位置为 1,x | (1 << n) 仅将第 n 位置为 0,x & (~(1 << n)) 将 x 最高位至第 n 位(含)清零,x & ((1 << n) - 1) 将第 n 位至第 0 位(含)清零,x & (~((1 << (n + 1)) - 1)) ``` - 有特殊意义的 & 位操作运算。第 260 题,第 201 题,第 318 题,第 371 题,第 397 题,第 461 题,第 693 题, ```go X & 1 == 1 判断是否是奇数(偶数) X & = (X - 1) 将最低位(LSB)的 1 清零 X & -X 得到最低位(LSB)的 1 X & ~X = 0 ``` Problems List in [there](https://books.halfrost.com/leetcode/ChapterTwo/Bit_Manipulation/) ## Union Find ![](./topic/Union_Find.png) - 灵活使用并查集的**,熟练掌握并查集的[模板](https://github.com/halfrost/LeetCode-Go/blob/master/template/UnionFind.go),模板中有两种并查集的实现方式,一种是路径压缩 + 秩优化的版本,另外一种是计算每个集合中元素的个数 + 最大集合元素个数的版本,这两种版本都有各自使用的地方。能使用第一类并查集模板的题目有:第 128 题,第 130 题,第 547 题,第 684 题,第 721 题,第 765 题,第 778 题,第 839 题,第 924 题,第 928 题,第 947 题,第 952 题,第 959 题,第 990 题。能使用第二类并查集模板的题目有:第 803 题,第 952 题。第 803 题秩优化和统计集合个数这些地方会卡时间,如果不优化,会 TLE。 - 并查集是一种**,有些题需要灵活使用这种**,而不是死套模板,如第 399 题,这一题是 stringUnionFind,利用并查集**实现的。这里每个节点是基于字符串和 map 的,而不是单纯的用 int 节点编号实现的。 - 有些题死套模板反而做不出来,比如第 685 题,这一题不能路径压缩和秩优化,因为题目中涉及到有向图,需要知道节点的前驱节点,如果路径压缩了,这一题就没法做了。这一题不需要路径压缩和秩优化。 - 灵活的抽象题目给的信息,将给定的信息合理的编号,使用并查集解题,并用 map 降低时间复杂度,如第 721 题,第 959 题。 - 关于地图,砖块,网格的题目,可以新建一个特殊节点,将四周边缘的砖块或者网格都 union() 到这个特殊节点上。第 130 题,第 803 题。 - 能用并查集的题目,一般也可以用 DFS 和 BFS 解答,只不过时间复杂度会高一点。 Problems List in [there](https://books.halfrost.com/leetcode/ChapterTwo/Union_Find/) ## Sliding Window ![](./topic/Sliding_Window.png) - 双指针滑动窗口的经典写法。右指针不断往右移,移动到不能往右移动为止(具体条件根据题目而定)。当右指针到最右边以后,开始挪动左指针,释放窗口左边界。第 3 题,第 76 题,第 209 题,第 424 题,第 438 题,第 567 题,第 713 题,第 763 题,第 845 题,第 881 题,第 904 题,第 978 题,第 992 题,第 1004 题,第 1040 题,第 1052 题。 ```c left, right := 0, -1 for left < len(s) { if right+1 < len(s) && freq[s[right+1]-'a'] == 0 { freq[s[right+1]-'a']++ right++ } else { freq[s[left]-'a']-- left++ } result = max(result, right-left+1) } ``` - 滑动窗口经典题。第 239 题,第 480 题。 Problems List in [there](https://books.halfrost.com/leetcode/ChapterTwo/Sliding_Window/) ## Segment Tree ![](./topic/Segment_Tree.png) - 线段树的经典数组实现写法。将合并两个节点 pushUp 逻辑抽象出来了,可以实现任意操作(常见的操作有:加法,取 max,min 等等)。第 218 题,第 303 题,第 307 题,第 699 题。 - 计数线段树的经典写法。第 315 题,第 327 题,第 493 题。 - 线段树的树的实现写法。第 715 题,第 732 题。 - 区间懒惰更新。第 218 题,第 699 题。 - 离散化。离散化需要注意一个特殊情况:假如三个区间为 [1,10] [1,4] [6,10],离散化后 x[1]=1,x[2]=4,x[3]=6,x[4]=10。第一个区间为 [1,4],第二个区间为 [1,2],第三个区间为 [3,4],这样一来,区间一 = 区间二 + 区间三,这和离散前的模型不符,离散前,很明显,区间一 > 区间二 + 区间三。正确的做法是:在相差大于 1 的数间加一个数,例如在上面 1 4 6 10 中间加 5,即可 x[1]=1,x[2]=4,x[3]=5,x[4]=6,x[5]=10。这样处理之后,区间一是 1-5 ,区间二是 1-2 ,区间三是 4-5 。 - 灵活构建线段树。线段树节点可以存储多条信息,合并两个节点的 pushUp 操作也可以是多样的。第 850 题,第 1157 题。 线段树[题型](https://blog.csdn.net/xuechelingxiao/article/details/38313105)从简单到困难: 1. 单点更新: [HDU 1166 敌兵布阵](http://acm.hdu.edu.cn/showproblem.php?pid=1166) update:单点增减 query:区间求和 [HDU 1754 I Hate It](http://acm.hdu.edu.cn/showproblem.php?pid=1754) update:单点替换 query:区间最值 [HDU 1394 Minimum Inversion Number](http://acm.hdu.edu.cn/showproblem.php?pid=1394) update:单点增减 query:区间求和 [HDU 2795 Billboard](http://acm.hdu.edu.cn/showproblem.php?pid=2795) query:区间求最大值的位子(直接把update的操作在query里做了) 2. 区间更新: [HDU 1698 Just a Hook](http://acm.hdu.edu.cn/showproblem.php?pid=1698) update:成段替换 (由于只query一次总区间,所以可以直接输出 1 结点的信息) [POJ 3468 A Simple Problem with Integers](http://poj.org/problem?id=3468) update:成段增减 query:区间求和 [POJ 2528 Mayor’s posters](http://poj.org/problem?id=2528) 离散化 + update:成段替换 query:简单hash [POJ 3225 Help with Intervals](http://poj.org/problem?id=3225) update:成段替换,区间异或 query:简单hash 3. 区间合并(这类题目会询问区间中满足条件的连续最长区间,所以PushUp的时候需要对左右儿子的区间进行合并): [POJ 3667 Hotel](http://poj.org/problem?id=3667) update:区间替换 query:询问满足条件的最左端点 4. 扫描线(这类题目需要将一些操作排序,然后从左到右用一根扫描线扫过去最典型的就是矩形面积并,周长并等题): [HDU 1542 Atlantis](http://acm.hdu.edu.cn/showproblem.php?pid=1542) update:区间增减 query:直接取根节点的值 [HDU 1828 Picture](http://acm.hdu.edu.cn/showproblem.php?pid=1828) update:区间增减 query:直接取根节点的值 Problems List in [there](https://books.halfrost.com/leetcode/ChapterTwo/Segment_Tree/) ## Binary Indexed Tree ![](./topic/Binary_Indexed_Tree.png) Problems List in [there](https://books.halfrost.com/leetcode/ChapterTwo/Binary_Indexed_Tree/) ---------------------------------------------------------------------------------------- <p align='center'> <a href="https://github.com/halfrost/LeetCode-Go/releases/tag/Special"><img src="https://img.halfrost.com/Leetcode/ACM-ICPC_Algorithm_Template.png"></a> </p> Thank you for reading here. This is bonus. You can download my [《ACM-ICPC Algorithm Template》](https://github.com/halfrost/LeetCode-Go/releases/tag/Special/) ##♥️ Thanks Thanks for your Star! [![Stargazers over time](https://starchart.cc/halfrost/LeetCode-Go.svg)](https://starchart.cc/halfrost/LeetCode-Go)
lyllionel/LeetCode-Go
✅ Solutions to LeetCode by Go, 100% test coverage, runtime beats 100% / LeetCode 题解
GoMIT