| 524 | Longest Word in Dictionary through Deleting | Medium |
| 525 | Contiguous Array | Medium |
| 526 | Beautiful Arrangement | Medium |
| 529 | Minesweeper | Medium |
| 532 | K-diff Pairs in an Array | Medium |
| 539 | Minimum Time Difference | Medium |
| 540 | Single Element in a Sorted Array | Medium |
| 542 | 01 Matrix | Medium |
| 546 | Remove Boxes | Hard |
| 553 | Optimal Division | Medium |
| 554 | Brick Wall | Medium |
| 560 | Subarray Sum Equals K | Medium |
| 561 | Array Partition | Easy |
| 565 | Array Nesting | Medium |
| 566 | Reshape the Matrix | Easy |
| 575 | Distribute Candies | Easy |
| 581 | Shortest Unsorted Continuous Subarray | Medium |
| 587 | Erect the Fence | Hard |
| 594 | Longest Harmonious Subsequence | Easy |
| 598 | Range Addition II | Easy |
| 599 | Minimum Index Sum of Two Lists | Easy |
| 605 | Can Place Flowers | Easy |
| 609 | Find Duplicate File in System | Medium |
| 611 | Valid Triangle Number | Medium |
| 621 | Task Scheduler | Medium |
| 622 | Design Circular Queue | Medium |
| 628 | Maximum Product of Three Numbers | Easy |
| 630 | Course Schedule III | Hard |
| 632 | Smallest Range Covering Elements from K Lists | Hard |
| 636 | Exclusive Time of Functions | Medium |