| 15. 3Sum | | | Solve | Medium | | |
| 18. 4Sum | | | Solve | Medium | | |
| 46. Permutations | | | Solve | Medium | | |
| 53. Maximum Subarray | | | Solve | Medium | | |
| 92. Reverse Linked List II | | | Solve | Medium | | |
| 95. Unique Binary Search Trees II | | | Solve | Medium | | |
| 135. Candy | | | Solve | Hard | | |
| 139. Word Break | | | Solve | Medium | | |
| 141. Linked List Cycle | | | Solve | Easy | 42gearMobilitySystems+131 | |
| 152. Maximum Product Subarray | | | Solve | Medium | | |
| 215. Kth Largest Element in an Array | | | Solve | Medium | | |
| 300. Longest Increasing Subsequence | | | Solve | Medium | | |
| 338. Counting Bits | | | Solve | Easy | | |
| 403. Frog Jump | | | Solve | Hard | | |
| 518. Coin Change II | | | Solve | Medium | | |
| 706. Design HashMap | | | Solve | Easy | | |
| 785. Is Graph Bipartite? | | | Solve | Medium | | |
| 856. Score of Parentheses | | | Solve | Medium | | |
| 871. Minimum Number of Refueling Stops | | | Solve | Hard | | |
| 1124. Longest Well-Performing Interval | | | Solve | Medium | | |
| 1318. Minimum Flips to Make a OR b Equal to c | | | Solve | Medium | | |
| 1356. Sort Integers by The Number of 1 Bits | | | Solve | Easy | | |
| 1540. Can Convert String in K Moves | | | Solve | Medium | | |
| 1798. Maximum Number of Consecutive Values You Can Make | | | Solve | Medium | | |
| 1838. Frequency of the Most Frequent Element | | | Solve | Medium | | |
| 1872. Stone Game VIII | | | Solve | Hard | | |
| 1946. Largest Number After Mutating Substring | | | Solve | Medium | | |
| 2035. Partition Array Into Two Arrays to Minimize Sum Difference | | | Solve | Hard | | |
| 2233. Maximum Product After K Increments | | | Solve | Medium | | |
| 2338. Count the Number of Ideal Arrays | | | Solve | Hard | | |
| 2382. Maximum Segment Sum After Removals | | | Solve | Hard | | |
| 2418. Sort the People | | | Solve | Easy | | |
| 2445. Number of Nodes With Value One | | | Solve | Medium | | |
| 2457. Minimum Addition to Make Integer Beautiful | | | Solve | Medium | | |
| 2463. Minimum Total Distance Traveled | | | Solve | Hard | | |
| 2597. The Number of Beautiful Subsets | | | Solve | Medium | | |
| 2612. Minimum Reverse Operations | | | Solve | Hard | | |
| 2827. Number of Beautiful Integers in the Range | | | Solve | Hard | | |
| 2829. Determine the Minimum Sum of a k-avoiding Array | | | Solve | Medium | | |
| 2834. Find the Minimum Possible Sum of a Beautiful Array | | | Solve | Medium | | |
| 2940. Find Building Where Alice and Bob Can Meet | | | Solve | Hard | | |