| 838. Push Dominoes | | | Solve | Medium | | |
| 845. Longest Mountain in Array | | | Solve | Medium | | |
| 870. Advantage Shuffle | | | Solve | Medium | | |
| 881. Boats to Save People | | | Solve | Medium | | |
| 923. 3Sum With Multiplicity | | | Solve | Medium | | |
| 948. Bag of Tokens | | | Solve | Medium | | |
| 969. Pancake Sorting | | | Solve | Medium | | |
| 986. Interval List Intersections | | | Solve | Medium | | |
| 1023. Camelcase Matching | | | Solve | Medium | | |
| 1040. Moving Stones Until Consecutive II | | | Solve | Medium | | |
| 1048. Longest String Chain | | | Solve | Medium | | |
| 1055. Shortest Way to Form String | | | Solve | Medium | | |
| 1214. Two Sum BSTs | | | Solve | Medium | | |
| 1229. Meeting Scheduler | | | Solve | Medium | | |
| 1237. Find Positive Integer Solution for a Given Equation | | | Solve | Medium | | |
| 1265. Print Immutable Linked List in Reverse | | | Solve | Medium | | |
| 1471. The k Strongest Values in an Array | | | Solve | Medium | | |
| 1498. Number of Subsequences That Satisfy the Given Sum Condition | | | Solve | Medium | | |
| 1508. Range Sum of Sorted Subarray Sums | | | Solve | Medium | | |
| 1570. Dot Product of Two Sparse Vectors | | | Solve | Medium | | |
| 1574. Shortest Subarray to be Removed to Make Array Sorted | | | Solve | Medium | | |
| 1577. Number of Ways Where Square of Number Is Equal to Product of Two Numbers | | | Solve | Medium | - | |
| 1616. Split Two Strings to Make Palindrome | | | Solve | Medium | | |
| 1634. Add Two Polynomials Represented as Linked Lists | | | Solve | Medium | | |
| 1650. Lowest Common Ancestor of a Binary Tree III | | | Solve | Medium | | |
| 1679. Max Number of K-Sum Pairs | | | Solve | Medium | | |
| 1712. Ways to Split Array Into Three Subarrays | | | Solve | Medium | | |
| 1721. Swapping Nodes in a Linked List | | | Solve | Medium | | |
| 1750. Minimum Length of String After Deleting Similar Ends | | | Solve | Medium | | |
| 1754. Largest Merge Of Two Strings | | | Solve | Medium | | |
| 1764. Form Array by Concatenating Subarrays of Another Array | | | Solve | Medium | | |
| 1813. Sentence Similarity III | | | Solve | Medium | | |
| 1850. Minimum Adjacent Swaps to Reach the Kth Smallest Number | | | Solve | Medium | | |
| 1855. Maximum Distance Between a Pair of Values | | | Solve | Medium | | |
| 1861. Rotating the Box | | | Solve | Medium | | |
| 1868. Product of Two Run-Length Encoded Arrays | | | Solve | Medium | | |
| 1877. Minimize Maximum Pair Sum in Array | | | Solve | Medium | | |
| 1885. Count Pairs in Two Arrays | | | Solve | Medium | | |
| 1898. Maximum Number of Removable Characters | | | Solve | Medium | | |
| 1963. Minimum Number of Swaps to Make the String Balanced | | | Solve | Medium | | |
| 2046. Sort Linked List Already Sorted Using Absolute Values | | | Solve | Medium | - | |
| 2095. Delete the Middle Node of a Linked List | | | Solve | Medium | | |
| 2105. Watering Plants II | | | Solve | Medium | | |
| 2109. Adding Spaces to a String | | | Solve | Medium | | |
| 2130. Maximum Twin Sum of a Linked List | | | Solve | Medium | | |
| 2149. Rearrange Array Elements by Sign | | | Solve | Medium | | |
| 2161. Partition Array According to Given Pivot | | | Solve | Medium | | |
| 2300. Successful Pairs of Spells and Potions | | | Solve | Medium | | |
| 2330. Valid Palindrome IV | | | Solve | Medium | | |
| 2332. The Latest Time to Catch a Bus | | | Solve | Medium | | |
