| 187 | Repeated DNA Sequences | Medium |
| 209 | Minimum Size Subarray Sum | Medium |
| 219 | Contains Duplicate II | Easy |
| 239 | Sliding Window Maximum | Hard |
| 1425 | Constrained Subsequence Sum | Hard |
| 1456 | Maximum Number of Vowels in a Substring of Given Length | Medium |
| 1493 | Longest Subarray of 1's After Deleting One Element | Medium |
| 1658 | Minimum Operations to Reduce X to Zero | Medium |
| 1838 | Frequency of the Most Frequent Element | Medium |
| 2024 | Maximize the Confusion of an Exam | Medium |
| 2444 | Count Subarrays With Fixed Bounds | Hard |
| 2461 | Maximum Sum of Distinct Subarrays With Length K | Medium |
| 2730 | Find the Longest Semi-Repetitive Substring | Medium |