| 464 | Can I Win | Medium |
| 473 | Matchsticks to Square | Medium |
| 526 | Beautiful Arrangement | Medium |
| 638 | Shopping Offers | Medium |
| 691 | Stickers to Spell Word | Hard |
| 698 | Partition to K Equal Sum Subsets | Medium |
| 877 | Shortest Path Visiting All Nodes | Hard |
| 943 | Find the Shortest Superstring | Hard |
| 996 | Number of Squareful Arrays | Hard |
| 1125 | Smallest Sufficient Team | Hard |
| 1255 | Maximum Score Words Formed by Letters | Hard |
| 1349 | Maximum Students Taking Exam | Hard |
| 1434 | Number of Ways to Wear Different Hats to Each Other | Hard |
| 1494 | Parallel Courses II | Hard |
| 1595 | Minimum Cost to Connect Two Groups of Points | Hard |
| 1617 | Count Subtrees With Max Distance Between Cities | Hard |
| 1655 | Distribute Repeating Integers | Hard |
| 1659 | Maximize Grid Happiness | Hard |
| 1681 | Minimum Incompatibility | Hard |
| 1723 | Find Minimum Time to Finish All Jobs | Hard |
| 1755 | Closest Subsequence Sum | Hard |
| 1799 | Maximize Score After N Operations | Hard |
| 1815 | Maximum Number of Groups Getting Fresh Donuts | Hard |
| 1879 | Minimum XOR Sum of Two Arrays | Hard |
| 1947 | Maximum Compatibility Score Sum | Medium |
| 1986 | Minimum Number of Work Sessions to Finish the Tasks | Medium |
| 1994 | The Number of Good Subsets | Hard |
| 2002 | Maximum Product of the Length of Two Palindromic Subsequences | Medium |
| 2035 | Partition Array Into Two Arrays to Minimize Sum Difference | Hard |
| 2172 | Maximum AND Sum of Array | Hard |