| 1067. Digit Count in Range | | | Solve | Hard | | |
| 1074. Number of Submatrices That Sum to Target | | | Solve | Hard | | |
| 1092. Shortest Common Supersequence | | | Solve | Hard | | |
| 1095. Find in Mountain Array | | | Solve | Hard | | |
| 1125. Smallest Sufficient Team | | | Solve | Hard | | |
| 1153. String Transforms Into Another String | | | Solve | Hard | | |
| 1192. Critical Connections in a Network | | | Solve | Hard | | |
| 1203. Sort Items by Groups Respecting Dependencies | | | Solve | Hard | | |
| 1216. Valid Palindrome III | | | Solve | Hard | | |
| 1220. Count Vowels Permutation | | | Solve | Hard | | |
| 1235. Maximum Profit in Job Scheduling | | | Solve | Hard | | |
| 1255. Maximum Score Words Formed by Letters | | | Solve | Hard | | |
| 1259. Handshakes That Don't Cross | | | Solve | Hard | | |
| 1293. Shortest Path in a Grid with Obstacles Elimination | | | Solve | Hard | | |
| 1312. Minimum Insertion Steps to Make a String Palindrome | | | Solve | Hard | | |
| 1326. Minimum Number of Taps to Open to Water a Garden | | | Solve | Hard | | |
| 1335. Minimum Difficulty of a Job Schedule | | | Solve | Hard | | |
| 1340. Jump Game V | | | Solve | Hard | | |
| 1345. Jump Game IV | | | Solve | Hard | | |
| 1363. Largest Multiple of Three | | | Solve | Hard | | |
| 1373. Maximum Sum BST in Binary Tree | | | Solve | Hard | | |
| 1377. Frog Position After T Seconds | | | Solve | Hard | | |
| 1383. Maximum Performance of a Team | | | Solve | Hard | | |
| 1392. Longest Happy Prefix | | | Solve | Hard | | |
| 1416. Restore The Array | | | Solve | Hard | | |
| 1463. Cherry Pickup II | | | Solve | Hard | | |
| 1479. Sales by Day of the Week | | | Solve | Hard | | |
| 1483. Kth Ancestor of a Tree Node | | | Solve | Hard | | |
| 1489. Find Critical and Pseudo-Critical Edges in Minimum Spanning Tree | | | Solve | Hard | | |
| 1520. Maximum Number of Non-Overlapping Substrings | | | Solve | Hard | | |
| 1531. String Compression II | | | Solve | Hard | | |
| 1547. Minimum Cost to Cut a Stick | | | Solve | Hard | | |
| 1553. Minimum Number of Days to Eat N Oranges | | | Solve | Hard | | |
| 1563. Stone Game V | | | Solve | Hard | | |
| 1575. Count All Possible Routes | | | Solve | Hard | | |
| 1597. Build Binary Expression Tree From Infix Expression | | | Solve | Hard | | |
| 1601. Maximum Number of Achievable Transfer Requests | | | Solve | Hard | | |
| 1655. Distribute Repeating Integers | | | Solve | Hard | | |
| 1675. Minimize Deviation in Array | | | Solve | Hard | | |
| 1723. Find Minimum Time to Finish All Jobs | | | Solve | Hard | | |
| 1735. Count Ways to Make Array With Product | | | Solve | Hard | | |
| 1751. Maximum Number of Events That Can Be Attended II | | | Solve | Hard | | |
| 1761. Minimum Degree of a Connected Trio in a Graph | | | Solve | Hard | | |
| 1782. Count Pairs Of Nodes | | | Solve | Hard | | |
| 1788. Maximize the Beauty of the Garden | | | Solve | Hard | | |
| 1799. Maximize Score After N Operations | | | Solve | Hard | | |
| 1842. Next Palindrome Using Same Digits | | | Solve | Hard | | |
| 1847. Closest Room | | | Solve | Hard | | |
| 1889. Minimum Space Wasted From Packaging | | | Solve | Hard | | |
| 1923. Longest Common Subpath | | | Solve | Hard | | |
