| 670. Maximum Swap | | | Solve | Medium | | |
| 673. Number of Longest Increasing Subsequence | | | Solve | Medium | | |
| 678. Valid Parenthesis String | | | Solve | Medium | | |
| 681. Next Closest Time | | | Solve | Medium | | |
| 687. Longest Univalue Path | | | Solve | Medium | | |
| 688. Knight Probability in Chessboard | | | Solve | Medium | | |
| 692. Top K Frequent Words | | | Solve | Medium | | |
| 694. Number of Distinct Islands | | | Solve | Medium | | |
| 695. Max Area of Island | | | Solve | Medium | | |
| 698. Partition to K Equal Sum Subsets | | | Solve | Medium | | |
| 701. Insert into a Binary Search Tree | | | Solve | Medium | | |
| 707. Design Linked List | | | Solve | Medium | | |
| 713. Subarray Product Less Than K | | | Solve | Medium | | |
| 714. Best Time to Buy and Sell Stock with Transaction Fee | | | Solve | Medium | | |
| 721. Accounts Merge | | | Solve | Medium | | |
| 725. Split Linked List in Parts | | | Solve | Medium | | |
| 729. My Calendar I | | | Solve | Medium | | |
| 735. Asteroid Collision | | | Solve | Medium | | |
| 737. Sentence Similarity II | | | Solve | Medium | | |
| 738. Monotone Increasing Digits | | | Solve | Medium | | |
| 739. Daily Temperatures | | | Solve | Medium | | |
| 740. Delete and Earn | | | Solve | Medium | | |
| 743. Network Delay Time | | | Solve | Medium | | |
| 752. Open the Lock | | | Solve | Medium | | |
| 754. Reach a Number | | | Solve | Medium | | |
| 756. Pyramid Transition Matrix | | | Solve | Medium | | |
| 763. Partition Labels | | | Solve | Medium | | |
| 767. Reorganize String | | | Solve | Medium | | |
| 769. Max Chunks To Make Sorted | | | Solve | Medium | | |
| 777. Swap Adjacent in LR String | | | Solve | Medium | | |
| 779. K-th Symbol in Grammar | | | Solve | Medium | | |
| 781. Rabbits in Forest | | | Solve | Medium | | |
| 787. Cheapest Flights Within K Stops | | | Solve | Medium | | |
| 790. Domino and Tromino Tiling | | | Solve | Medium | | |
| 795. Number of Subarrays with Bounded Maximum | | | Solve | Medium | | |
| 797. All Paths From Source to Target | | | Solve | Medium | | |
| 799. Champagne Tower | | | Solve | Medium | | |
| 802. Find Eventual Safe States | | | Solve | Medium | | |
| 807. Max Increase to Keep City Skyline | | | Solve | Medium | | |
| 817. Linked List Components | | | Solve | Medium | | |
| 820. Short Encoding of Words | | | Solve | Medium | | |
| 823. Binary Trees With Factors | | | Solve | Medium | | |
| 826. Most Profit Assigning Work | | | Solve | Medium | | |
| 841. Keys and Rooms | | | Solve | Medium | | |
| 842. Split Array into Fibonacci Sequence | | | Solve | Medium | | |
| 849. Maximize Distance to Closest Person | | | Solve | Medium | | |
| 851. Loud and Rich | | | Solve | Medium | | |
| 852. Peak Index in a Mountain Array | | | Solve | Medium | | |
| 853. Car Fleet | | | Solve | Medium | | |
| 856. Score of Parentheses | | | Solve | Medium | | |
