| 881 | Boats to Save People | Medium |
| 905 | Sort Array By Parity | Easy |
| 948 | Bag of Tokens | Medium |
| 1048 | Longest String Chain | Medium |
| 1498 | Number of Subsequences That Satisfy the Given Sum Condition | Medium |
| 1508 | Range Sum of Sorted Subarray Sums | Medium |
| 1721 | Swapping Nodes in a Linked List | Medium |
| 1750 | Minimum Length of String After Deleting Similar Ends | Medium |
| 1877 | Minimize Maximum Pair Sum in Array | Medium |
| 2000 | Reverse Prefix of Word | Easy |
| 2130 | Maximum Twin Sum of a Linked List | Medium |
| 2441 | Largest Positive Integer That Exists With Its Negative | Easy |