| 239 | Sliding Window Maximum | Hard |
| 295 | Find Median from Data Stream | Hard |
| 787 | Cheapest Flights Within K Stops | Medium |
| 1424 | Diagonal Traverse II | Medium |
| 1425 | Constrained Subsequence Sum | Hard |
| 1464 | Maximum Product of Two Elements in an Array | Easy |
| 1642 | Furthest Building You Can Reach | Medium |
| 1834 | Single-Threaded CPU | Medium |
| 1845 | Seat Reservation Manager | Medium |
| 1851 | Minimum Interval to Include Each Query | Hard |
| 1942 | The Number of the Smallest Unoccupied Chair | Medium |
| 2353 | Design a Food Rating System | Medium |
| 2454 | Next Greater Element IV | Hard |
| 2551 | Put Marbles in Bags | Hard |
| 2642 | Design Graph With Shortest Path Calculator | Hard |