| 2617. Minimum Number of Visited Cells in a Grid | | | Solve | Hard | | |
| 2646. Minimize the Total Price of the Trips | | | Solve | Hard | | |
| 2681. Power of Heroes | | | Solve | Hard | - | |
| 2713. Maximum Strictly Increasing Cells in a Matrix | | | Solve | Hard | | |
| 2719. Count of Integers | | | Solve | Hard | | |
| 2742. Painting the Walls | | | Solve | Hard | | |
| 2791. Count Paths That Can Form a Palindrome in a Tree | | | Solve | Hard | - | |
| 2801. Count Stepping Numbers in Range | | | Solve | Hard | | |
| 2809. Minimum Time to Make Array Sum At Most x | | | Solve | Hard | | |
| 2827. Number of Beautiful Integers in the Range | | | Solve | Hard | | |
| 2836. Maximize Value of Function in a Ball Passing Game | | | Solve | Hard | | |
| 2851. String Transformation | | | Solve | Hard | | |
| 2858. Minimum Edge Reversals So Every Node Is Reachable | | | Solve | Hard | | |
| 2867. Count Valid Paths in a Tree | | | Solve | Hard | | |
| 2876. Count Visited Nodes in a Directed Graph | | | Solve | Hard | | |
| 2902. Count of Sub-Multisets With Bounded Sum | | | Solve | Hard | - | |
| 2911. Minimum Changes to Make K Semi-palindromes | | | Solve | Hard | - | |
| 2912. Number of Ways to Reach Destination in the Grid | | | Solve | Hard | | |
| 2916. Subarrays Distinct Element Sum of Squares II | | | Solve | Hard | | |
| 2920. Maximum Points After Collecting Coins From All Nodes | | | Solve | Hard | | |
| 2926. Maximum Balanced Subsequence Sum | | | Solve | Hard | | |
| 2945. Find Maximum Non-decreasing Array Length | | | Solve | Hard | | |
| 2969. Minimum Number of Coins for Fruits II | | | Solve | Hard | - | |
| 2973. Find Number of Coins to Place in Tree Nodes | | | Solve | Hard | | |
| 2977. Minimum Cost to Convert String II | | | Solve | Hard | | |
| 2999. Count the Number of Powerful Integers | | | Solve | Hard | - | |
| 3003. Maximize the Number of Partitions After Operations | | | Solve | Hard | - | |
| 3018. Maximum Number of Removal Queries That Can Be Processed I | | | Solve | Hard | - | |
| 3041. Maximize Consecutive Elements in an Array After Modification | | | Solve | Hard | - | |
| 3068. Find the Maximum Sum of Node Values | | | Solve | Hard | - | |
| 3077. Maximum Strength of K Disjoint Subarrays | | | Solve | Hard | - | |
| 3082. Find the Sum of the Power of All Subsequences | | | Solve | Hard | - | |
| 3098. Find the Sum of Subsequence Powers | | | Solve | Hard | - | |
| 3117. Minimum Sum of Values by Dividing Array | | | Solve | Hard | - | |
| 3130. Find All Possible Stable Binary Arrays II | | | Solve | Hard | - | |
| 3149. Find the Minimum Cost Array Permutation | | | Solve | Hard | - | |
| 3154. Find Number of Ways to Reach the K-th Stair | | | Solve | Hard | - | |
| 3165. Maximum Sum of Subsequence With Non-adjacent Elements | | | Solve | Hard | - | |
| 3177. Find the Maximum Length of a Good Subsequence II | | | Solve | Hard | - | |
| 3181. Maximum Total Reward Using Operations II | | | Solve | Hard | - | |
| 3193. Count the Number of Inversions | | | Solve | Hard | - | |
| 3213. Construct String with Minimum Cost | | | Solve | Hard | - | |
| 3225. Maximum Score From Grid Operations | | | Solve | Hard | - | |
| 3229. Minimum Operations to Make Array Equal to Target | | | Solve | Hard | - | |
| 3241. Time Taken to Mark All Nodes | | | Solve | Hard | - | |
| 3250. Find the Count of Monotonic Pairs I | | | Solve | Hard | - | |
| 3251. Find the Count of Monotonic Pairs II | | | Solve | Hard | - | |
| 3256. Maximum Value Sum by Placing Three Rooks I | | | Solve | Hard | - | |
| 3257. Maximum Value Sum by Placing Three Rooks II | | | Solve | Hard | - | |
| 3260. Find the Largest Palindrome Divisible by K | | | Solve | Hard | - | |