leetcode
This repository is a collection of all the leetcode challenges others have contributes and I did.
File Structure:
leetcode
├── 1. Two Sum (Easy)
├── 2. Add Two Numbers (Medium)
├── 3. Longest Substring Without Repeating Characters (Medium)
├── 4. Median of Two Sorted Arrays (Hard)
├── 5. Longest Palindromic String (Medium)
├── 6. ZigZag Conversion (Medium)
├── 11. Container with Most Water (Medium)
├── 19. Remove Nth Node From End of List (Medium)
├── 20. Valid Parentheses (Easy)
├── 21. Merge Two Sorted Lists (Easy)
├── 27. Remove Element (Easy)
├── 35. Search Insert Position (Easy)
├── 36. Validate Sudoku (Medium)
├── 53. Maximum SubArray (Easy)
├── 66. Plus One (Easy)
├── 74. Search A 2D Matrix (Medium)
├── 80. Remove Duplicates from Sorted Array II
├── 83. Remove Duplicates from Sorted Lists (Easy)
├── 88. Merge Sorted Arrays (Easy)
├── 93. Binary Tree InOrder Traversal (Easy)
├── 102. Binary Tree Level Order Traversal (Medium)
├── 118. Pascal's Triangle (Easy)
├── 121. Best Time to Buy and Sell Stock (Easy)
├── 141. Linked List Cycle (Easy)
├── 144. Binary Tree PreOrder Traversal (Easy)
├── 145. Binary Tree PostOrder Traversal (Easy)
├── 167. Two Sum II (Easy)
├── 169. Majority Element (Easy)
├── 189. Rotate Array (Medium)
├── 191. Number of 1 Bits (Easy)
├── 200. Number of Islands (Medium)
├── 203. Remove Linked List Elements (Easy)
├── 205. Isomorphic Strings (Easy)
├── 206. Reverse Linked List (Easy)
├── 217. Contains Duplicate (Easy)
├── 229. Majority Element II (Easy)
├── 231. Power of Two (Easy)
├── 232. Implement Queue Using Stacks (Easy)
├── 242. Valid Anagram (Easy)
├── 278. First Bad Version (Easy)
├── 283. Move Zeroes (Easy)
├── 344. Reverse String (Easy)
├── 350. Intersection of Two Arrays II (Easy)
├── 383. Ransom Note (Easy)
├── 387. First Unique Character in a String (Easy)
├── 392. Is Subsequence (Easy)
├── 557. Reverse Words in a String III (Easy)
├── 566. Reshape the Matrix (Easy)
├── 567. Permutation in String (Medium)
├── 617. Merge Two Binary Trees (Easy)
├── 695. Max Area of island (Medium)
├── 704. Binary Search (Easy)
├── 724. Find Pivot Index (Easy)
├── 733. Flood Fill (Easy)
├── 875. Koko Loves Bananas (Medium)
├── 876. Middle Of The Linked List (Easy)
├── 977. Sqares of a Sorted Array (Easy)
├── 1007. Minimum Domino Rotations For Equal Row (Medium)
├── 1480. Running Sum of 1D Array (Easy)
└── 2444. Count Subarrays With Fixed Bounds (Hard)
Contribution Guidelines:
Any of the following languages are accepted in the pull request:
- Java
- Python
- CPP
- Rust