| 2213 | Longest Substring of One Repeating Character | Hard |
| 2218 | Maximum Value of K Coins From Piles | Hard |
| 2223 | Sum of Scores of Built Strings | Hard |
| 2227 | Encrypt and Decrypt Strings | Hard |
| 2234 | Maximum Total Beauty of the Gardens | Hard |
| 2242 | Maximum Score of a Node Sequence | Hard |
| 2246 | Longest Path With Different Adjacent Characters | Hard |
| 2251 | Number of Flowers in Full Bloom | Hard |
| 2258 | Escape the Spreading Fire | Hard |
| 2262 | Total Appeal of A String | Hard |
| 2267 | Check if There Is a Valid Parentheses String Path | Hard |
| 2272 | Substring With Largest Variance | Hard |
| 2276 | Count Integers in Intervals | Hard |
| 2281 | Sum of Total Strength of Wizards | Hard |
| 2286 | Booking Concert Tickets in Groups | Hard |
| 2290 | Minimum Obstacle Removal to Reach Corner | Hard |
| 2296 | Design a Text Editor | Hard |
| 2301 | Match Substring After Replacement | Hard |
| 2302 | Count Subarrays With Score Less Than K | Hard |
| 2306 | Naming a Company | Hard |
| 2312 | Selling Pieces of Wood | Hard |
| 2318 | Number of Distinct Roll Sequences | Hard |
| 2321 | Maximum Score Of Spliced Array | Hard |
| 2322 | Minimum Score After Removals on a Tree | Hard |
| 2328 | Number of Increasing Paths in a Grid | Hard |
| 2334 | Subarray With Elements Greater Than Varying Threshold | Hard |
| 2338 | Count the Number of Ideal Arrays | Hard |
| 2344 | Minimum Deletions to Make Array Divisible | Hard |
| 2350 | Shortest Impossible Sequence of Rolls | Hard |
| 2354 | Number of Excellent Pairs | Hard |