Repo to track my LeetCode progress
| No. | LC No. | Problem Name | Difficulty | Link | Solution | Date |
|---|---|---|---|---|---|---|
| 1 | 2235 | Add Two Integers | Easy | Problem | Solution | 28 Dec 2024 |
| 2 | 2236 | Root Equals Sum of Children | Easy | Problem | Solution | 28 Dec 2024 |
| 3 | 1 | Two Sum | Easy | Problem | Solution | 29 Dec 2024 |
| 4 | 20 | Valid Parentheses | Easy | Problem | Solution | 29 Dec 2024 |
| 5 | 21 | Merge Two Sorted Lists | Easy | Problem | Solution | 30 Dec 2024 |
| 6 | 121 | Best Time to Buy and Sell Stock | Easy | Problem | Solution | 30 Dec 2024 |
| 7 | 125 | Valid Palindrome | Easy | Problem | Solution | 30 Dec 2024 |
| 8 | 226 | Invert Binary Tree | Easy | Problem | Solution | 31 Dec 2024 |
| 9 | 242 | Valid Anagram | Easy | Problem | Solution | 31 Dec 2024 |
| 10 | 704 | Binary Search | Easy | Problem | Solution | 31 Dec 2024 |
| 11 | 733 | Flood Fill | Easy | Problem | Solution | 1 Jan 2025 |
| 12 | 141 | Linked List Cycle | Easy | Problem | Solution | 2 Jan 2025 |
| 13 | 232 | Implement Queue Using Stacks | Easy | Problem | Solution | 2 Jan 2025 |
| 14 | 278 | First Bad Version | Easy | Problem | Solution | 2 Jan 2025 |
| 15 | 226 | Invert Binary Tree | Easy | Problem | Solution | 6 May 2025 |
| 16 | 206 | Reverse Linked List | Easy | Problem | Solution | 7 May 2025 |
| 17 | 110 | Balanced Binary Tree | Easy | Problem | Solution | 17 May 2025 |
| 18 | 235 | Lowest Common Ancestor of a BST | Medium | Problem | Solution | 17 May 2025 |
| 19 | 75 | Sort Colors | Medium | Problem | Solution | 17 May 2025 |
| 20 | 409 | Longest Palindrome | Easy | Problem | Solution | 17 May 2025 |
| 21 | 70 | Climbing Stairs | Easy | Problem | Solution | 17 May 2025 |
| 22 | 169 | Majority Element | Easy | Problem | Solution | 17 May 2025 |
| 23 | 876 | Middle of Linked List | Easy | Problem | Solution | 17 May 2025 |
| 24 | 217 | Contains Duplicate | Easy | Problem | Solution | 17 May 2025 |
| 25 | 844 | Backspace String Compare | Easy | Problem | Solution | 17 May 2025 |
| 26 | 67 | Add Binary | Easy | Problem | Solution | 18 May 2025 |
| 27 | 104 | Maximum Depth of Binary Tree | Easy | Problem | Solution | 18 May 2025 |
| 28 | 191 | Number of 1 Bits | Easy | Problem | Solution | 19 May 2025 |
| 29 | 3355 | Zero Array Transformation I | Medium | Problem | Solution | 20 May 2025 |
| 30 | 13 | Roman to Integer | Easy | Problem | Solution | 20 May 2025 |
| 31 | 102 | Binary Tree Level Order Traversal | Medium | Problem | Solution | 20 May 2025 |
| 32 | 543 | Diameter of Binary Tree | Easy | Problem | Solution | 20 May 2025 |
| 33 | 73 | Set Zero Matrix | Medium | Problem | Solution | 21 May 2025 |
| 34 | 14 | Longest Common Prefix | Easy | Problem | Solution | 21 May 2025 |
| 35 | 283 | Move Zeroes | Easy | Problem | Solution | 23 May 2025 |
| 36 | 2942 | Find Words Containing Character | Easy | Problem | Solution | 24 May 2025 |
| 37 | 2131 | Longest Palindrome by Concatenating Two Letter Words | Medium | Problem | Solution | 25 May 2025 |
| 38 | 2 | Add Two numbers | Medium | Problem | Solution | 25 May 2025 |
| 39 | 125 | Palindrome Number | Easy | Problem | Solution | 26 May 2025 |
| 40 | 2894 | Divisible and Non-Divisible Sums Difference | Easy | Problem | Solution | 26 May 2025 |
| 41 | 338 | Counting Bits | Easy | Problem | Solution | 30 May 2025 |
| 42 | 136 | Single Number | Easy | Problem | Solution | 30 May 2025 |
| 43 | 108 | Convert Sorted Array to BST | Easy | Problem | Solution | 30 May 2025 |
| 44 | 100 | Same Tree | Easy | Problem | Solution | 02 June 2025 |
| 45 | 234 | Palindrome Linked List | Easy | Problem | Solution | 02 June 2025 |
| 46 | 101 | Symmetric Tree | Easy | Problem | Solution | 02 June 2025 |
| 47 | 572 | Subtree of Another Tree | Easy | Problem | Solution | 02 June 2025 |
| 48 | 977 | Squares of a Sorted Array | Easy | Problem | Solution | 02 June 2025 |
| 49 | 3442 | Maximum Difference Between Even and Odd Frequency I | Easy | Problem | Solution | 09 June 2025 |
| 50 | 53 | Maximum Subarray | Medium | Problem | Solution | 10 June 2025 |
| 51 | 3423 | Maximum Difference Between Adjacent Elements in a Circular Array | Easy | Problem | Solution | 11 June 2025 |
| 52 | 2390 | Removing Stars from a String | Medium | Problem | Solution | 12 June 2025 |
| 53 | 973 | K Closest Points to Origin | Medium | Problem | Solution | 12 June 2025 |
| 54 | 542 | 01 Matrix | Medium | Problem | Solution | 12 June 2025 |
| 55 | 57 | Insert Interval | Medium | Problem | Solution | 12 June 2025 |
| 56 | 150 | Evaluate Reverse Polish Notation | Medium | Problem | Solution | 13 June 2025 |
| 57 | 133 | Clone Graph | Medium | Problem | Solution | 13 June 2025 |
| 58 | 98 | Validate Binary Search Tree | Medium | Problem | Solution | 14 June 2025 |
| 59 | 3330 | Find the Original Typed String I | Easy | Problem | Solution | 30 June 2025 |
| 60 | 3 | Longest Substring Without Repeating Characters | medium | Problem | Solution | 02 Jul 2025 |
| 61 | 3304 | Find the K-th Character in the String I | Easy | Problem | Solution | 02 Jul 2025 |
| 62 | 207 | Course Schedule | Medium | Problem | Solution | 04 Jul 2025 |
| 63 | 1394 | Find Luck Integer | Easy | Problem | Solution | 05 Jul 2025 |
| 64 | 11 | Container With Most Water | Medium | Problem | Solution | 05 Jul 2025 |
| 65 | 15 | 3Sum | Medium | Problem | Solution | 06 Jul 2025 |
| 66 | 322 | Coin Change | Medium | Problem | Solution | 06 Jul 2025 |
| 67 | 208 | Implement Trie | Medium | Problem | Solution | 06 Jul 2025 |
| 68 | 155 | Min Stack | Medium | Problem | Solution | 06 Jul 2025 |
| 69 | 238 | Product Of Array Except Self | Medium | Problem | Solution | 06 Jul 2025 |
| 70 | 739 | Daily Temperatures | Medium | Problem | Solution | 07 Jul 2025 |
| 71 | 200 | Number of Islands | Medium | Problem | Solution | 08 Jul 2025 |
| 72 | 994 | Rotting Oranges | Medium | Problem | Solution | 09 Jul 2025 |
| 73 | 33 | Search in Rotated Sorted Array | Medium | Problem | Solution | 09 Jul 2025 |
| 74 | 56 | Merge Intervals | Medium | Problem | Solution | 09 Jul 2025 |
| 75 | 236 | Lowest Common Ancestor of Binary Tree | Medium | Problem | Solution | 09 Jul 2025 |
| 76 | 46 | Permutations | Medium | Problem | Solution | 10 Jul 2025 |
| 77 | 39 | Combination Sum | Medium | Problem | Solution | 10 Jul 2025 |
| 78 | 8 | String to Integer (atoi) | Medium | Problem | Solution | 11 Jul 2025 |
| 79 | 2410 | Maximum Matching of Players With Trainers | Medium | Problem | Solution | 12 Jul 2025 |
| 80 | 1290 | Convert Binary Number in a Linked List to Integer | Easy | Problem | Solution | 13 Jul 2025 |
| 81 | 3136 | Valid Word | Easy | Problem | Solution | 14 Jul 2025 |
| 82 | 328 | Odd Even Linked List | Meduim | Problem | Solution | 19 Jul 2025 |
| 83 | 54 | Spiral Matrix | Meduim | Problem | Solution | 19 Jul 2025 |
| 84 | 199 | Binary Tree Right Side View | Meduim | Problem | Solution | 20 Jul 2025 |
| 85 | 78 | Subsets | Meduim | Problem | Solution | 20 Jul 2025 |
| 86 | 981 | Time Based Key-Value Store | Meduim | Problem | Solution | 20 Jul 2025 |
| 87 | 1957 | Delete Characters to Make Fancy String | Easy | Problem | Solution | 20 Jul 2025 |
| 88 | 1695 | Maximum Erasure Value | Medium | Problem | Solution | 21 Jul 2025 |
| 89 | 721 | Accounts Merge | Medium | Problem | Solution | 21 Jul 2025 |
| 90 | 230 | Kth Smallest Element in a BST | Medium | Problem | Solution | 21 Jul 2025 |
| 91 | 1717 | Maximum Score from Removing Substrings | Medium | Problem | Solution | 22 Jul 2025 |
| 92 | 416 | Partition Equal Subset Sum | Medium | Problem | Solution | 22 Jul 2025 |
| 93 | 139 | Word Break | Medium | Problem | Solution | 23 Jul 2025 |
| 94 | 79 | Word Search | Medium | Problem | Solution | 24 Jul 2025 |
| 95 | 5 | Longest Palindromic Substring | Medium | Problem | Solution | 25 Jul 2025 |
| 96 | 17 | Letter Combinations of a Phone Number | Medium | Problem | Solution | 26 Jul 2025 |
| 97 | 62 | Unique Paths | Medium | Problem | Solution | 26 Jul 2025 |