| 475 | Heaters | Medium |
| 477 | Total Hamming Distance | Medium |
| 478 | Generate Random Point in a Circle | Medium |
| 481 | Magical String | Medium |
| 486 | Predict the Winner | Medium |
| 491 | Increasing Subsequences | Medium |
| 494 | Target Sum | Medium |
| 497 | Random Point in Non-overlapping Rectangles | Medium |
| 498 | Diagonal Traverse | Medium |
| 503 | Next Greater Element II | Medium |
| 508 | Most Frequent Subtree Sum | Medium |
| 513 | Find Bottom Left Tree Value | Medium |
| 515 | Find Largest Value in Each Tree Row | Medium |
| 516 | Longest Palindromic Subsequence | Medium |
| 518 | Coin Change 2 | Medium |
| 519 | Random Flip Matrix | Medium |
| 522 | Longest Uncommon Subsequence II | Medium |
| 523 | Continuous Subarray Sum | Medium |
| 524 | Longest Word in Dictionary through Deleting | Medium |
| 525 | Contiguous Array | Medium |
| 526 | Beautiful Arrangement | Medium |
| 528 | Random Pick with Weight | Medium |
| 529 | Minesweeper | Medium |
| 532 | K-diff Pairs in an Array | Medium |
| 535 | Encode and Decode TinyURL | Medium |
| 537 | Complex Number Multiplication | Medium |
| 538 | Convert BST to Greater Tree | Medium |
| 539 | Minimum Time Difference | Medium |
| 540 | Single Element in a Sorted Array | Medium |
| 542 | 01 Matrix | Medium |