| 44 | Wildcard Matching | Hard |
| 45 | Jump Game II | Hard |
| 55 | Jump Game | Medium |
| 122 | Best Time to Buy and Sell Stock II | Easy |
| 134 | Gas Station | Medium |
| 135 | Candy | Hard |
| 316 | Remove Duplicate Letters | Hard |
| 321 | Create Maximum Number | Hard |
| 330 | Patching Array | Hard |
| 334 | Increasing Triplet Subsequence | Medium |
| 376 | Wiggle Subsequence | Medium |
| 378 | Kth Smallest Element in a Sorted Matrix | Medium |
| 397 | Integer Replacement | Medium |
| 402 | Remove K Digits | Medium |
| 406 | Queue Reconstruction by Height | Medium |
| 409 | Longest Palindrome | Easy |
| 410 | Split Array Largest Sum | Hard |
| 420 | Strong Password Checker | Hard |
| 435 | Non-overlapping Intervals | Medium |
| 452 | Minimum Number of Arrows to Burst Balloons | Medium |
| 455 | Assign Cookies | Easy |
| 502 | IPO | Hard |
| 517 | Super Washing Machines | Hard |
| 561 | Array Partition | Easy |
| 581 | Shortest Unsorted Continuous Subarray | Medium |
| 605 | Can Place Flowers | Easy |
| 611 | Valid Triangle Number | Medium |
| 621 | Task Scheduler | Medium |
| 630 | Course Schedule III | Hard |
| 632 | Smallest Range Covering Elements from K Lists | Hard |