| 1343 | Number of Sub-arrays of Size K and Average Greater than or Equal to Threshold | Medium |
| 1358 | Number of Substrings Containing All Three Characters | Medium |
| 1423 | Maximum Points You Can Obtain from Cards | Medium |
| 1425 | Constrained Subsequence Sum | Hard |
| 1438 | Longest Continuous Subarray With Absolute Diff Less Than or Equal to Limit | Medium |
| 1456 | Maximum Number of Vowels in a Substring of Given Length | Medium |
| 1477 | Find Two Non-overlapping Sub-arrays Each With Target Sum | Medium |
| 1493 | Longest Subarray of 1's After Deleting One Element | Medium |
| 1499 | Max Value of Equation | Hard |
| 1610 | Maximum Number of Visible Points | Hard |
| 1658 | Minimum Operations to Reduce X to Zero | Medium |
| 1695 | Maximum Erasure Value | Medium |
| 1696 | Jump Game VI | Medium |
| 1703 | Minimum Adjacent Swaps for K Consecutive Ones | Hard |
| 1763 | Longest Nice Substring | Easy |
| 1838 | Frequency of the Most Frequent Element | Medium |
| 1839 | Longest Substring Of All Vowels in Order | Medium |
| 1876 | Substrings of Size Three with Distinct Characters | Easy |
| 1888 | Minimum Number of Flips to Make the Binary String Alternating | Medium |
| 1984 | Minimum Difference Between Highest and Lowest of K Scores | Easy |
| 2024 | Maximize the Confusion of an Exam | Medium |
| 2090 | K Radius Subarray Averages | Medium |
| 2106 | Maximum Fruits Harvested After at Most K Steps | Hard |
| 2134 | Minimum Swaps to Group All 1's Together II | Medium |
| 2156 | Find Substring With Given Hash Value | Hard |
| 2260 | Minimum Consecutive Cards to Pick Up | Medium |
| 2269 | Find the K-Beauty of a Number | Easy |
| 2302 | Count Subarrays With Score Less Than K | Hard |
| 2379 | Minimum Recolors to Get K Consecutive Black Blocks | Easy |
| 2398 | Maximum Number of Robots Within Budget | Hard |