| 348. Design Tic-Tac-Toe | Solution | Solve | Medium | | |
| 380. Insert Delete GetRandom O(1) | Solution | Solve | Medium | | |
| 399. Evaluate Division | Solution | Solve | Medium | | |
| 412. Fizz Buzz | Solution | Solve | Easy | | |
| 460. LFU Cache | Solution | Solve | Hard | | |
| 465. Optimal Account Balancing | Solution | Solve | Hard | | |
| 622. Design Circular Queue | Solution | Solve | Medium | | |
| 631. Design Excel Sum Formula | Solution | Solve | Hard | | |
| 642. Design Search Autocomplete System | Solution | Solve | Hard | | |
| 647. Palindromic Substrings | Solution | Solve | Medium | | |
| 718. Maximum Length of Repeated Subarray | Solution | Solve | Medium | | |
| 740. Delete and Earn | Solution | Solve | Medium | | |
| 759. Employee Free Time | Solution | Solve | Hard | | |
| 765. Couples Holding Hands | Solution | Solve | Hard | | |
| 767. Reorganize String | Solution | Solve | Medium | | |
| 782. Transform to Chessboard | Solution | Solve | Hard | | |
| 875. Koko Eating Bananas | Solution | Solve | Medium | | |
| 981. Time Based Key-Value Store | Solution | Solve | Medium | | |
| 1004. Max Consecutive Ones III | Solution | Solve | Medium | | |
| 1010. Pairs of Songs With Total Durations Divisible by 60 | Solution | Solve | Medium | | |
| 1048. Longest String Chain | Solution | Solve | Medium | | |
| 1155. Number of Dice Rolls With Target Sum | Solution | Solve | Medium | | |
| 1192. Critical Connections in a Network | Solution | Solve | Hard | | |
| 1197. Minimum Knight Moves | Solution | Solve | Medium | | |
| 1203. Sort Items by Groups Respecting Dependencies | Solution | Solve | Hard | | |
| 1229. Meeting Scheduler | Solution | Solve | Medium | | |
| 1235. Maximum Profit in Job Scheduling | Solution | Solve | Hard | | |
| 1244. Design A Leaderboard | Solution | Solve | Medium | | |
| 1268. Search Suggestions System | Solution | Solve | Medium | | |
| 1515. Best Position for a Service Centre | Solution | Solve | Hard | | |
| 1606. Find Servers That Handled Most Number of Requests | Solution | Solve | Hard | | |
| 1632. Rank Transform of a Matrix | Solution | Solve | Hard | | |
| 1670. Design Front Middle Back Queue | Solution | Solve | Medium | | |
| 1801. Number of Orders in the Backlog | Solution | Solve | Medium | | |
| 1884. Egg Drop With 2 Eggs and N Floors | Solution | Solve | Medium | | |
| 2044. Count Number of Maximum Bitwise-OR Subsets | Solution | Solve | Medium | | |
| 2050. Parallel Courses III | Solution | Solve | Hard | | |
| 2361. Minimum Costs Using the Train Line | Solution | Solve | Hard | | |
| 2484. Count Palindromic Subsequences | Solution | Solve | Hard | | |
| 2598. Smallest Missing Non-negative Integer After Operations | Solution | Solve | Medium | | |
| 2661. First Completely Painted Row or Column | Solution | Solve | Medium | | |
| 2702. Minimum Operations to Make Numbers Non-positive | Solution | Solve | Hard | | |
| 2771. Longest Non-decreasing Subarray From Two Arrays | Solution | Solve | Medium | | |
| 2918. Minimum Equal Sum of Two Arrays After Replacing Zeros | Solution | Solve | Medium | | |
| 2958. Length of Longest Subarray With at Most K Frequency | Solution | Solve | Medium | | |
| 3186. Maximum Total Damage With Spell Casting | Solution | Solve | Medium | | |