| Name | link to problem | link to solution | link to test |
|---|---|---|---|
| Two Sum | problem | solution | test |
| Valid Parentheses | problem | solution | test |
| Merge Two Sorted Lists | problem | solution | test |
| Best Time to Buy and Sell Stock | problem | solution | test |
| Valid Palindrome | problem | solution | test |
| Invert Binary Tree | problem | solution | test |
| Valid Anagram | problem | solution | test |
| Binary Search | problem | solution | test |
| Flood Fill | problem | solution | test |
| Lowest Common Ancestor of a Binary Search Tree | problem | solution | test |
| Balanced Binary Tree | problem | solution | test |
| Linked List Cycle | problem | solution | test |
| Implement Queue using Stacks | problem | solution | test |
| First Bad Version | problem | solution | test |
| Ransom Note | problem | solution | test |
| Climbing Stairs | problem | solution | test |
| Longest Palindrome | problem | solution | test |
| Reverse Linked List | problem | solution | test |
| Majority Element | problem | solution | test |
| Add Binary | problem | solution | test |
| Diameter of Binary Tree | problem | solution | test |
| Middle of the Linked List | problem | solution | test |
| Maximum Depth of Binary Tree | problem | solution | test |
| Contains Duplicate | problem | solution | test |
| Maximum Subarray | problem | solution | test |
| Insert Interval | problem | solution | test |
| 01 Matrix | problem | solution | test |
| K Closest Points to Origin | problem | solution | test |
| Longest Substring Without Repeating Characters | problem | solution | test |
| 3Sum | problem | solution | test |
| Binary Tree Level Order Traversal | problem | solution | test |
| Clone Graph | problem | solution | test |
| Evaluate Reverse Polish Notation | problem | solution | test |
| Course Schedule | problem | solution | test |
| Implement Trie | problem | solution | test |
| Coin Change | problem | solution | test |
| Product of Array Except Self | problem | solution | test |
| Min Stack | problem | solution | test |
| Validate Binary Search Tree | problem | solution | test |
| Number of Islands | problem | solution | test |
| Rotting Oranges | problem | solution | test |
| Search in Rotated Sorted Array | problem | solution | test |
| Combination Sum | problem | solution | test |
| Permutations | [problem](https://leetcode.com/problems/permutations/ | ) | solution |