| 229 | Majority Element II | Medium |
| 268 | Missing Number | Easy |
| 295 | Find Median from Data Stream | Hard |
| 350 | Intersection of Two Arrays II | Easy |
| 389 | Find the Difference | Easy |
| 455 | Assign Cookies | Easy |
| 645 | Set Mismatch | Easy |
| 646 | Maximum Length of Pair Chain | Medium |
| 823 | Binary Trees With Factors | Medium |
| 881 | Boats to Save People | Medium |
| 905 | Sort Array By Parity | Easy |
| 910 | Smallest Range II | Medium |
| 948 | Bag of Tokens | Medium |
| 950 | Reveal Cards In Increasing Order | Medium |
| 1051 | Height Checker | Easy |
| 1235 | Maximum Profit in Job Scheduling | Hard |
| 1424 | Diagonal Traverse II | Medium |
| 1464 | Maximum Product of Two Elements in an Array | Easy |
| 1481 | Least Number of Unique Integers after K Removals | Medium |
| 1489 | Find Critical and Pseudo-Critical Edges in Minimum Spanning Tree | Hard |
| 1498 | Number of Subsequences That Satisfy the Given Sum Condition | Medium |
| 1502 | Can Make Arithmetic Progression From Sequence | Easy |
| 1508 | Range Sum of Sorted Subarray Sums | Medium |
| 1509 | Minimum Difference Between Largest and Smallest Value in Three Moves | Medium |
| 1561 | Maximum Number of Coins You Can Get | Medium |
| 1630 | Arithmetic Subarrays | Medium |
| 1637 | Widest Vertical Area Between Two Points Containing No Points | Medium |
| 1647 | Minimum Deletions to Make Character Frequencies Unique | Medium |
| 1727 | Largest Submatrix With Rearrangements | Medium |
| 1751 | Maximum Number of Events That Can Be Attended II | Hard |