Most Recent Posts
718. Maximum Length of Repeated Subarray - 17 February 2026
377. Combination Sum IV - 17 February 2026
300. Longest Increasing Subsequence - 17 February 2026
118. Pascal's Triangle - 14 February 2026
300. Longest Increasing Subsequence - 13 February 2026
66. Plus One - 12 February 2026
64. Minimum Path Sum - 12 February 2026
775. Global and Local Inversions - 9 February 2026
47. Permutations II - 9 February 2026
46. Permutations - 9 February 2026
45. Jump Game II - 9 February 2026
40. Combination Sum II - 9 February 2026
LC 78. Subsets - 7 February 2026
LC 77. Combinations - 7 February 2026
LC 38. Count and Say - 7 February 2026
January 2026
LC 34. Find First and Last Position of Element in Sorted Array - 22 January 2026
2024
March 2024
LC 101 Symmetric Tree - 8 March 2024
February 2024
LC 863. All Nodes Distance K in Binary Tree - 13 February 2024
LC 451. Sort Characters By Frequency - 13 February 2024
LC 53. Maximum Subarray - 12 February 2024
LC 74. Search a 2D Matrix - 10 February 2024
LC 33. Search in Rotated Sorted Array - 10 February 2024
LC 153. Find Minimum in Rotated Sorted Array - 10 February 2024
LC 236. Lowest Common Ancestor of a Binary Tree - 8 February 2024
LC 235. Lowest Common Ancestor of a Binary Search Tree - 8 February 2024
LC 200. Number of Islands - 8 February 2024
LC 133. Clone Graph - 8 February 2024
LC 98. Validate Binary Search Tree - 7 February 2024
LC 113. Path Sum II - 7 February 2024
LC 112. Path Sum - 7 February 2024
LC 73. Set Matrix Zeroes - 3 February 2024
LC 445. Add Two Numbers II - 3 February 2024
LC 42. Trapping Rain Water - 3 February 2024
LC 5. Longest Palindromic Substring - 2 February 2024
LC 49. Group Anagrams - 2 February 2024
January 2024
LC 700 Search in a Binary Search Tree {using Recursion} - 27 January 2024
104. Maximum Depth of Binary Tree - 27 January 2024
345. Reverse Vowels of a String - 27 January 2024
2785. Sort Vowels in a String - 27 January 2024
N-th Tribonacci Number - 23 January 2024
Min Cost Climbing Stairs - 23 January 2024
LC 3 Longest Substring without repeating characters - 7 January 2024
LC 219. Contains Duplicate II - 7 January 2024
LC 209. Minimum Size Subarray Sum - 7 January 2024
LC 187. Repeated DNA Sequences - 7 January 2024
2021
October 2021
LC 981 Time Based Key-Value Store - 20 October 2021
LC 394 Decode String - 20 October 2021
LC 1110 Delete Nodes And Return Forest - 20 October 2021
LC 1048 Longest String Chain - 20 October 2021
LC 700 Search in a Binary Search Tree - 15 October 2021
LC 509 Fibonacci Number - 15 October 2021
LC 344 Reverse String - 15 October 2021
LC 213 House Robber 2 - 15 October 2021
LC 206 Reverse Linked List - 15 October 2021
LC 198 House Robber - 15 October 2021
LC 792 Number of Matching Subsequences - 14 October 2021
LC 562 Longest Line of Consecutive One in Matrix - 14 October 2021
LC 56 Merge Intervals - 14 October 2021
LC 459 Repeated Substring Pattern - 14 October 2021
LC 24 Swap Nodes in Pairs - 14 October 2021
Tree - Level Order Traversal - 12 October 2021
LC 366 Find Leaves of Binary Tree - 12 October 2021
KMP Algorithm - 6 October 2021
LC 788 Rotated Digits - 5 October 2021
LC 299 Bulls and Cows - 5 October 2021
September 2021
LC 93 Restore IP Addresses - 29 September 2021
LC 900 RLE Iterator - 28 September 2021
LC 735 Asteroid Collision - 27 September 2021
LC 1423 Maximum Points You Can Obtain from Cards - 27 September 2021
LC 1277 Count Square Submatrices with All Ones - 27 September 2021
LC 359 Logger Rate Limiter - 25 September 2021
LC 1509 Minimum Difference Between Largest and Smallest Value in Three Moves - 25 September 2021
LC 22 Generate Parentheses - 24 September 2021
LC 1480 Running Sum of 1d Array - 24 September 2021
LC 1 Two Sum - 6 September 2021
August 2021
LC 21 Merge Two Sorted Lists - 16 August 2021
LC 151. Reverse Words in a String - 13 August 2021
LC 17 Letter Combinations of a Phone Number - 7 August 2021
LC 14 Longest Common Prefix - 7 August 2021
LC 11 Container With Most Water - 6 August 2021
LC 8 String to Integer (atoi) - 3 August 2021
LC 2 Add Two Numbers - 1 August 2021