| Jun 29, 2021 | Rabin–Karp algorithm |
| Apr 16, 2021 | Generate Parentheses |
| Jun 16, 2020 | Is a Balanced Binary Tree |
| Dec 26, 2019 | How to buy and sell stock at the best time |
| Dec 08, 2019 | Word Break |
| Nov 20, 2019 | Max Increase to Keep City Skyline |
| Oct 19, 2019 | My Calendar I |
| Oct 19, 2019 | Find the Shortest Superstring |
| Oct 18, 2019 | Best Time to Buy and Sell Stock with Transaction Fee |
| Oct 13, 2019 | Reverse Pairs |
| Oct 10, 2019 | Largest Rectangle in Histogram |
| Oct 07, 2019 | Get N primes |
| Oct 07, 2019 | Is Graph Bipartite? |
| Oct 04, 2019 | Word Break |
| Oct 04, 2019 | Increasing Triplet Subsequence |
| Oct 03, 2019 | Evaluate Division |
| Oct 03, 2019 | Implement Trie (Prefix Tree) |
| Oct 01, 2019 | Missing Ranges |
| Sep 29, 2019 | Longest Consecutive Sequence |
| Sep 28, 2019 | Most Stones Removed with Same Row or Column |
| Sep 27, 2019 | Brace Expansion |
| Sep 26, 2019 | Delete Nodes And Return Forest |
| Sep 26, 2019 | Decode String |
| Sep 25, 2019 | Sentence Similarity II |
| Sep 24, 2019 | Campus Bikes II |
| Sep 23, 2019 | Delete Nodes And Return Forest |
| Sep 22, 2019 | Union-Find Python Implementation |
| Sep 21, 2019 | Minimum Knight Moves |
| Sep 21, 2019 | Sum Root to Leaf Numbers |
| Sep 20, 2019 | Decode ways |
| Sep 20, 2019 | Unique Binary Search Trees II |
| Sep 19, 2019 | 2 Keys Keyboard |
| Sep 18, 2019 | Find K-th Palindrome Number of N Digits |
| Sep 18, 2019 | Pow(x, n) |
| Sep 18, 2019 | Stone Game II |
| Sep 17, 2019 | Largest Sum of Averages |
| Sep 17, 2019 | Repeated Substring Pattern |
| Sep 15, 2019 | Wiggle Sort II |
| Sep 15, 2019 | Increasing Triplet Subsequence |
| Sep 12, 2019 | Flip Equivalent Binary Trees |
| Sep 10, 2019 | Remove Zero Sum Consecutive Nodes from Linked List |
| Sep 09, 2019 | Printing a pyramid matrix |
| Sep 09, 2019 | Path In Zigzag Labelled Binary Tree |
| Sep 08, 2019 | Remove Duplicates from Sorted Array |
| Sep 08, 2019 | Permutations II |
| Sep 08, 2019 | Permutation Sequence |
| Sep 07, 2019 | Lowest Common Ancestor with N nodes |
| Sep 07, 2019 | House Robber III |
| Sep 07, 2019 | Next Permutation |
| Sep 07, 2019 | Candy |
| Sep 07, 2019 | Trapping Rain Water |
| Sep 07, 2019 | Remove Element |
| Sep 07, 2019 | Gas Station |
| Sep 07, 2019 | Two Sum |
| Sep 07, 2019 | 4Sum |
| Sep 07, 2019 | 3Sum Closest |
| Sep 07, 2019 | 3Sum |
| Sep 04, 2019 | Lowest Common Ancestor with N nodes |
| Aug 21, 2019 | Total Hamming Distance |
| Aug 21, 2019 | Using bit manipulation to achieve operators |
| Jun 28, 2019 | Circular Queue |