| 1928. Minimum Cost to Reach Destination in Time | | | Solve | Hard | | |
| 1931. Painting a Grid With Three Different Colors | | | Solve | Hard | | |
| 1955. Count Number of Special Subsequences | | | Solve | Hard | | |
| 1977. Number of Ways to Separate Numbers | | | Solve | Hard | | |
| 1987. Number of Unique Good Subsequences | | | Solve | Hard | | |
| 1994. The Number of Good Subsets | | | Solve | Hard | | |
| 2003. Smallest Missing Genetic Value in Each Subtree | | | Solve | Hard | | |
| 2005. Subtree Removal Game with Fibonacci Tree | | | Solve | Hard | | |
| 2019. The Score of Students Solving Math Expression | | | Solve | Hard | | |
| 2035. Partition Array Into Two Arrays to Minimize Sum Difference | | | Solve | Hard | | |
| 2050. Parallel Courses III | | | Solve | Hard | | |
| 2060. Check if an Original String Exists Given Two Encoded Strings | | | Solve | Hard | | |
| 2088. Count Fertile Pyramids in a Land | | | Solve | Hard | | |
| 2143. Choose Numbers From Two Arrays in Range | | | Solve | Hard | | |
| 2147. Number of Ways to Divide a Long Corridor | | | Solve | Hard | | |
| 2163. Minimum Difference in Sums After Removal of Elements | | | Solve | Hard | | |
| 2167. Minimum Time to Remove All Cars Containing Illegal Goods | | | Solve | Hard | | |
| 2172. Maximum AND Sum of Array | | | Solve | Hard | | |
| 2188. Minimum Time to Finish the Race | | | Solve | Hard | | |
| 2209. Minimum White Tiles After Covering With Carpets | | | Solve | Hard | | |
| 2218. Maximum Value of K Coins From Piles | | | Solve | Hard | | |
| 2247. Maximum Cost of Trip With K Highways | | | Solve | Hard | - | |
| 2262. Total Appeal of A String | | | Solve | Hard | | |
| 2263. Make Array Non-decreasing or Non-increasing | | | Solve | Hard | | |
| 2267. Check if There Is a Valid Parentheses String Path | | | Solve | Hard | | |
| 2272. Substring With Largest Variance | | | Solve | Hard | | |
| 2312. Selling Pieces of Wood | | | Solve | Hard | | |
| 2313. Minimum Flips in Binary Tree to Get Result | | | Solve | Hard | | |
| 2318. Number of Distinct Roll Sequences | | | Solve | Hard | | |
| 2321. Maximum Score Of Spliced Array | | | Solve | Hard | | |
| 2328. Number of Increasing Paths in a Grid | | | Solve | Hard | | |
| 2338. Count the Number of Ideal Arrays | | | Solve | Hard | | |
| 2355. Maximum Number of Books You Can Take | | | Solve | Hard | | |
| 2361. Minimum Costs Using the Train Line | | | Solve | Hard | | |
| 2376. Count Special Integers | | | Solve | Hard | | |
| 2403. Minimum Time to Kill All Monsters | | | Solve | Hard | | |
| 2407. Longest Increasing Subsequence II | | | Solve | Hard | | |
| 2430. Maximum Deletions on a String | | | Solve | Hard | | |
| 2435. Paths in Matrix Whose Sum Is Divisible by K | | | Solve | Hard | | |
| 2463. Minimum Total Distance Traveled | | | Solve | Hard | | |
| 2472. Maximum Number of Non-overlapping Palindrome Substrings | | | Solve | Hard | | |
| 2478. Number of Beautiful Partitions | | | Solve | Hard | | |
| 2484. Count Palindromic Subsequences | | | Solve | Hard | | |
| 2518. Number of Great Partitions | | | Solve | Hard | | |
| 2538. Difference Between Maximum and Minimum Price Sum | | | Solve | Hard | | |
| 2547. Minimum Cost to Split an Array | | | Solve | Hard | | |
| 2552. Count Increasing Quadruplets | | | Solve | Hard | | |
| 2573. Find the String with LCP | | | Solve | Hard | - | |
| 2581. Count Number of Possible Root Nodes | | | Solve | Hard | - | |
| 2585. Number of Ways to Earn Points | | | Solve | Hard | | |
