1 |
两数之和 |
https://leetcode-cn.com/problems/two-sum |
√ |
简单 |
2 |
两数相加 |
https://leetcode-cn.com/problems/add-two-numbers |
√ |
中等 |
3 |
无重复字符的最长子串 |
https://leetcode-cn.com/problems/longest-substring-without-repeating-characters |
√ |
中等 |
4 |
寻找两个有序数组的中位数 |
https://leetcode-cn.com/problems/median-of-two-sorted-arrays |
√ |
困难 |
5 |
最长回文子串 |
https://leetcode-cn.com/problems/longest-palindromic-substring |
√ |
中等 |
6 |
Z 字形变换 |
https://leetcode-cn.com/problems/zigzag-conversion |
√ |
中等 |
7 |
整数反转 |
https://leetcode-cn.com/problems/reverse-integer |
√ |
中等 |
8 |
字符串转换整数 (atoi) |
https://leetcode-cn.com/problems/string-to-integer-atoi |
√ |
中等 |
9 |
回文数 |
https://leetcode-cn.com/problems/palindrome-number |
√ |
简单 |
10 |
正则表达式匹配 |
https://leetcode-cn.com/problems/palindrome-number |
√ × |
困难 |
11 |
盛最多水的容器 |
https://leetcode-cn.com/problems/container-with-most-water |
√ |
中等 |
12 |
整数转罗马数字 |
https://leetcode-cn.com/problems/integer-to-roman |
√ |
中等 |
13 |
罗马数字转整数 |
https://leetcode-cn.com/problems/roman-to-integer |
√ |
简单 |
14 |
最长公共前缀 |
https://leetcode-cn.com/problems/longest-common-prefix |
√ |
简单 |
15 |
三数之和 |
https://leetcode-cn.com/problems/3sum |
√ |
中等 |
16 |
最接近的三数之和 |
https://leetcode-cn.com/problems/3sum-closest |
√ |
中等 |
17 |
电话号码的字母组合 |
https://leetcode-cn.com/problems/letter-combinations-of-a-phone-number |
√√ |
中等 |
18 |
四数之和 |
https://leetcode-cn.com/problems/4sum |
√ |
中等 |
19 |
删除链表的倒数第N个节点 |
https://leetcode-cn.com/problems/remove-nth-node-from-end-of-list |
√√ |
中等 |
20 |
有效的括号 |
https://leetcode-cn.com/problems/valid-parentheses |
√ |
简单 |
21 |
合并两个有序链表 |
https://leetcode-cn.com/problems/merge-two-sorted-lists |
√ |
简单 |
22 |
括号生成 |
https://leetcode-cn.com/problems/generate-parentheses |
√ |
中等 |
23 |
合并K个排序链表 |
https://leetcode-cn.com/problems/merge-k-sorted-lists |
√ |
困难 |
24 |
两两交换链表中的节点 |
https://leetcode-cn.com/problems/swap-nodes-in-pairs |
√ |
中等 |
25 |
K 个一组翻转链表 |
https://leetcode-cn.com/problems/reverse-nodes-in-k-group |
√ |
困难 |
26 |
删除排序数组中的重复项 |
https://leetcode-cn.com/problems/remove-duplicates-from-sorted-array |
√ |
简单 |
27 |
移除元素 |
https://leetcode-cn.com/problems/remove-element |
√ |
简单 |
28 |
实现strStr函数 |
https://leetcode-cn.com/problems/implement-strstr/submissions |
√ |
简单 |
29 |
两数相除 |
https://leetcode-cn.com/problems/divide-two-integers |
√ × |
中等 |
30 |
串联所有单词的子串 |
https://leetcode-cn.com/problems/substring-with-concatenation-of-all-words/ |
√ |
困难 |
31 |
下一个排列 |
https://leetcode-cn.com/problems/next-permutation/ |
√ × |
中等 |
x |
未知 |
url |
√ × |
|
71 |
简化路径 |
https://leetcode-cn.com/problems/simplify-path |
√ |
|
504 |
七进制数 |
https://leetcode-cn.com/problems/base-7 |
√ |
|
532 |
数组中的 k-diff 数对 |
https://leetcode.cn/problems/k-diff-pairs-in-an-array/ |
√ |
中等 |
589 |
N 叉树的前序遍历 |
https://leetcode-cn.com/problems/n-ary-tree-preorder-traversal/ |
√√√ |
|
798 |
得分最高的最小轮调 |
https://leetcode-cn.com/problems/smallest-rotation-with-highest-score/ |
√ |
|
x |
未知 |
url |
√ × |
|
913 |
猫和老鼠 |
https://leetcode-cn.com/problems/cat-and-mouse |
√ × |
|
1309 |
解码字母到整数映射 |
https://leetcode-cn.com/problems/decrypt-string-from-alphabet-to-integer-mapping/ |
√ |
|
2049 |
统计最高分的节点数目 |
https://leetcode-cn.com/problems/count-nodes-with-the-highest-score/ |
√ × |
|
2055 |
蜡烛之间的盘子 |
https://leetcode-cn.com/problems/plates-between-candles/ |
√ |
|