| 2963. Count the Number of Good Partitions | Solution | Solve | Hard | | |
| 2968. Apply Operations to Maximize Frequency Score | Solution | Solve | Hard | | |
| 2969. Minimum Number of Coins for Fruits II | Solution | Solve | Hard | - | |
| 2972. Count the Number of Incremovable Subarrays II | Solution | Solve | Hard | | |
| 2973. Find Number of Coins to Place in Tree Nodes | Solution | Solve | Hard | | |
| 2977. Minimum Cost to Convert String II | Solution | Solve | Hard | | |
| 2983. Palindrome Rearrangement Queries | Solution | Solve | Hard | - | |
| 2991. Top Three Wineries | Solution | Solve | Hard | | |
| 2994. Friday Purchases II | Solution | Solve | Hard | - | |
| 2995. Viewers Turned Streamers | Solution | Solve | Hard | | |
| 2999. Count the Number of Powerful Integers | Solution | Solve | Hard | | |
| 3003. Maximize the Number of Partitions After Operations | Solution | Solve | Hard | | |
| 3008. Find Beautiful Indices in the Given Array II | Solution | Solve | Hard | | |
| 3009. Maximum Number of Intersections on the Chart | Solution | Solve | Hard | | |
| 3013. Divide an Array Into Subarrays With Minimum Cost II | Solution | Solve | Hard | | |
| 3017. Count the Number of Houses at a Certain Distance II | Solution | Solve | Hard | | |
| 3018. Maximum Number of Removal Queries That Can Be Processed I | Solution | Solve | Hard | - | |
| 3022. Minimize OR of Remaining Elements Using Operations | Solution | Solve | Hard | | |
| 3027. Find the Number of Ways to Place People II | Solution | Solve | Hard | | |
| 3031. Minimum Time to Revert Word to Initial State II | Solution | Solve | Hard | | |
| 3036. Number of Subarrays That Match a Pattern II | Solution | Solve | Hard | | |
| 3037. Find Pattern in Infinite Stream II | Solution | Solve | Hard | | |
| 3041. Maximize Consecutive Elements in an Array After Modification | Solution | Solve | Hard | | |
| 3045. Count Prefix and Suffix Pairs II | Solution | Solve | Hard | | |
| 3049. Earliest Second to Mark Indices II | Solution | Solve | Hard | | |
| 3052. Maximize Items | Solution | Solve | Hard | | |
| 3057. Employees Project Allocation | Solution | Solve | Hard | - | |
| 3060. User Activities within Time Bounds | Solution | Solve | Hard | - | |
| 3061. Calculate Trapping Rain Water | Solution | Solve | Hard | - | |
| 3068. Find the Maximum Sum of Node Values | Solution | Solve | Hard | | |
| 3072. Distribute Elements Into Two Arrays II | Solution | Solve | Hard | | |
| 3077. Maximum Strength of K Disjoint Subarrays | Solution | Solve | Hard | | |
| 3082. Find the Sum of the Power of All Subsequences | Solution | Solve | Hard | | |
| 3086. Minimum Moves to Pick K Ones | Solution | Solve | Hard | | |
| 3088. Make String Anti-palindrome | Solution | Solve | Hard | | |
| 3093. Longest Common Suffix Queries | Solution | Solve | Hard | | |
| 3098. Find the Sum of Subsequence Powers | Solution | Solve | Hard | | |
| 3102. Minimize Manhattan Distances | Solution | Solve | Hard | | |
| 3103. Find Trending Hashtags II | Solution | Solve | Hard | - | |
| 3104. Find Longest Self-Contained Substring | Solution | Solve | Hard | | |
| 3108. Minimum Cost Walk in Weighted Graph | Solution | Solve | Hard | | |
| 3113. Find the Number of Subarrays Where Boundary Elements Are Maximum | Solution | Solve | Hard | | |
| 3116. Kth Smallest Amount With Single Denomination Combination | Solution | Solve | Hard | - | |
| 3117. Minimum Sum of Values by Dividing Array | Solution | Solve | Hard | | |
| 3123. Find Edges in Shortest Paths | Solution | Solve | Hard | | |
| 3130. Find All Possible Stable Binary Arrays II | Solution | Solve | Hard | | |
| 3134. Find the Median of the Uniqueness Array | Solution | Solve | Hard | | |
| 3139. Minimum Cost to Equalize Array | Solution | Solve | Hard | | |
| 3141. Maximum Hamming Distances | Solution | Solve | Hard | - | |
| 3145. Find Products of Elements of Big Array | Solution | Solve | Hard | | |
