| 1944. Number of Visible People in a Queue | | | Solve | Hard | | |
| 1955. Count Number of Special Subsequences | | | Solve | Hard | | |
| 1972. First and Last Call On the Same Day | | | Solve | Hard | | |
| 1998. GCD Sort of an Array | | | Solve | Hard | | |
| 2009. Minimum Number of Operations to Make Array Continuous | | | Solve | Hard | | |
| 2035. Partition Array Into Two Arrays to Minimize Sum Difference | | | Solve | Hard | | |
| 2092. Find All People With Secret | | | Solve | Hard | | |
| 2102. Sequentially Ordinal Rank Tracker | | | Solve | Hard | | |
| 2111. Minimum Operations to Make the Array K-Increasing | | | Solve | Hard | | |
| 2123. Minimum Operations to Remove Adjacent Ones in Matrix | | | Solve | Hard | | |
| 2163. Minimum Difference in Sums After Removal of Elements | | | Solve | Hard | | |
| 2173. Longest Winning Streak | | | Solve | Hard | | |
| 2183. Count Array Pairs Divisible by K | | | Solve | Hard | | |
| 2193. Minimum Number of Moves to Make Palindrome | | | Solve | Hard | | |
| 2197. Replace Non-Coprime Numbers in Array | | | Solve | Hard | | |
| 2218. Maximum Value of K Coins From Piles | | | Solve | Hard | | |
| 2223. Sum of Scores of Built Strings | | | Solve | Hard | | |
| 2234. Maximum Total Beauty of the Gardens | | | Solve | Hard | | |
| 2258. Escape the Spreading Fire | | | Solve | Hard | | |
| 2262. Total Appeal of A String | | | Solve | Hard | | |
| 2272. Substring With Largest Variance | | | Solve | Hard | | |
| 2281. Sum of Total Strength of Wizards | | | Solve | Hard | | |
| 2296. Design a Text Editor | | | Solve | Hard | | |
| 2302. Count Subarrays With Score Less Than K | | | Solve | Hard | | |
| 2307. Check for Contradictions in Equations | | | Solve | Hard | | |
| 2322. Minimum Score After Removals on a Tree | | | Solve | Hard | | |
| 2350. Shortest Impossible Sequence of Rolls | | | Solve | Hard | | |
| 2355. Maximum Number of Books You Can Take | | | Solve | Hard | | |
| 2376. Count Special Integers | | | Solve | Hard | | |
| 2386. Find the K-Sum of an Array | | | Solve | Hard | | |
| 2398. Maximum Number of Robots Within Budget | | | Solve | Hard | | |
| 2402. Meeting Rooms III | | | Solve | Hard | | |
| 2412. Minimum Money Required Before Transactions | | | Solve | Hard | | |
| 2448. Minimum Cost to Make Array Equal | | | Solve | Hard | | |
| 2449. Minimum Number of Operations to Make Arrays Similar | | | Solve | Hard | | |
| 2474. Customers With Strictly Increasing Purchases | | | Solve | Hard | | |
| 2519. Count the Number of K-Big Indices | | | Solve | Hard | | |
| 2534. Time Taken to Cross the Door | | | Solve | Hard | | |
| 2551. Put Marbles in Bags | | | Solve | Hard | | |
| 2713. Maximum Strictly Increasing Cells in a Matrix | | | Solve | Hard | | |
| 2719. Count of Integers | | | Solve | Hard | | |
| 2742. Painting the Walls | | | Solve | Hard | | |
| 2781. Length of the Longest Valid Substring | | | Solve | Hard | | |
| 2801. Count Stepping Numbers in Range | | | Solve | Hard | | |
| 2835. Minimum Operations to Form Subsequence With Target Sum | | | Solve | Hard | | |
| 2916. Subarrays Distinct Element Sum of Squares II | | | Solve | Hard | | |
| 2926. Maximum Balanced Subsequence Sum | | | Solve | Hard | | |
| 2927. Distribute Candies Among Children III | | | Solve | Hard | | |
| 2945. Find Maximum Non-decreasing Array Length | | | Solve | Hard | | |
| 2949. Count Beautiful Substrings II | | | Solve | Hard | | |
