/LeetCode-Solutions

✅ Solutions to many problems from LeetCode that were made specifically for beginners. This repository's solutions will be always updated for improved ones as these solutions are made for beginners to be easy to understand.

Primary LanguageJavaMIT LicenseMIT

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What is this?

These are Solutions of some problems from LeetCode made specifically for beginners and who are in the intermediate level.

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Problem-Solving 💻

# Title Solutions Video Difficulty
665 Non-decreasing Array Solution Medium
7 Reverse Integer Solution Medium
98 Validate Binary Search Tree Solution Medium
204 Count Primes Solution Medium
19 Remove Nth Node From End of List Solution Medium
34 Find First and Last Position of Element in Sorted Array Solution Medium
229 Majority Element II Solution Medium
142 Linked List Cycle II Solution Medium
560 Swap Nodes in PairsSubarray Sum Equals K Solution Medium
187 Repeated DNA Sequences Solution Medium
56 Merge Intervals Solution Medium
207 Course Schedule Solution Medium
848 Shifting Letters Solution Medium
1352 Product of the Last K Numbers Solution Medium
147 Insertion Sort List Solution Medium
380 Insert Delete GetRandom O(1) Solution Medium
477 Total Hamming Distance Solution Medium
148 Sort List Solution Medium
75 Sort Colors Solution Medium
729 My Calendar I Solution Medium
676 Implement Magic Dictionary Solution Medium
384 Shuffle an Array Solution Medium
677 Map Sum Pairs Solution Medium
2095 Delete the Middle Node of a Linked List Solution Medium
1109 Corporate Flight Bookings Solution Medium
24 Swap Nodes in Pairs Solution Medium
167 Two Sum II - Input Array Is Sorted Solution Medium
287 Find the Duplicate Number Solution Medium
382 Linked List Random Node Solution Medium
1508 Range Sum of Sorted Subarray Sums Solution Medium
1023 Camelcase Matching Solution Medium
378 Kth Smallest Element in a Sorted Matrix Solution Medium
985 Sum of Even Numbers After Queries Solution Medium
912 Sort an Array Solution Medium
1584 Min Cost to Connect All Points Solution Medium
901 Online Stock Span Solution Medium
215 Kth Largest Element in an Array Solution Medium
398 Random Pick Index Solution Medium
49 Group Anagrams Solution Medium
2043 Simple Bank System Solution Medium
347 Top K Frequent Elements Solution Medium
973 K Closest Points to Origin Solution Medium
230 Kth Smallest Element in a BST Solution Medium
1433 Check If a String Can Break Another String Solution Medium
1721 Swapping Nodes in a Linked List Solution Medium
1860 Incremental Memory Leak Solution Medium
1222 Queens That Can Attack the King Solution Medium
442 Find All Duplicates in an Array Solution Medium
1529 Minimum Suffix Flips Solution Medium
2023 Number of Pairs of Strings With Concatenation Equal to Target Solution Medium
1669 Merge In Between Linked Lists Solution Medium
701 Insert into a Binary Search Tree Solution Medium
1347 Minimum Number of Steps to Make Two Strings Anagram Solution Medium
1823 Find the Winner of the Circular Game Solution Medium
1381 Design a Stack With Increment Operation Solution Medium
921 Minimum Add to Make Parentheses Valid Solution Medium
1561 Maximum Number of Coins You Can Get Solution Medium
1630 Arithmetic Subarrays Solution Medium
2221 Find Triangular Sum of an Array Solution Medium
763 Partition Labels Solution Medium
1305 All Elements in Two Binary Search Trees Solution Medium
1877 Minimize Maximum Pair Sum in Array Solution Medium
1817 Finding the Users Active Minutes Solution Medium
1551 Minimum Operations to Make Array Equal Solution Medium
2149 Rearrange Array Elements by Sign Solution Medium
2130 Maximum Twin Sum of a Linked List Solution Medium
2161 Partition Array According to Given Pivot Solution Medium
1409 Queries on a Permutation With Key Solution Medium
2120 Execution of All Suffix Instructions Staying in a Grid Solution Medium
2125 Number of Laser Beams in a Bank Solution Medium
535 Encode and Decode TinyURL Solution Medium
1637 Widest Vertical Area Between Two Points Containing No Points Solution Medium
1038 Binary Search Tree to Greater Sum Tree Solution Medium
1315 Sum of Nodes with Even-Valued Grandparent Solution Medium
1282 Group the People Given the Group Size They Belong To Solution Medium
1379 Find a Corresponding Node of a Binary Tree in a Clone of That Tree Solution Medium
1769 Minimum Number of Operations to Move All Balls to Each Box Solution Medium
1828 Queries on Number of Points Inside a Circle Solution Medium
1476 Subrectangle Queries Solution Medium