| 600. Non-negative Integers without Consecutive Ones | | | Solve | Hard | | |
| 629. K Inverse Pairs Array | | | Solve | Hard | | |
| 634. Find the Derangement of An Array | | | Solve | Medium | | |
| 638. Shopping Offers | | | Solve | Medium | | |
| 639. Decode Ways II | | | Solve | Hard | | |
| 646. Maximum Length of Pair Chain | | | Solve | Medium | | |
| 647. Palindromic Substrings | | | Solve | Medium | | |
| 650. 2 Keys Keyboard | | | Solve | Medium | | |
| 651. 4 Keys Keyboard | | | Solve | Medium | | |
| 656. Coin Path | | | Solve | Hard | | |
| 664. Strange Printer | | | Solve | Hard | | |
| 673. Number of Longest Increasing Subsequence | | | Solve | Medium | | |
| 678. Valid Parenthesis String | | | Solve | Medium | | |
| 688. Knight Probability in Chessboard | | | Solve | Medium | | |
| 689. Maximum Sum of 3 Non-Overlapping Subarrays | | | Solve | Hard | | |
| 691. Stickers to Spell Word | | | Solve | Hard | | |
| 698. Partition to K Equal Sum Subsets | | | Solve | Medium | | |
| 712. Minimum ASCII Delete Sum for Two Strings | | | Solve | Medium | | |
| 714. Best Time to Buy and Sell Stock with Transaction Fee | | | Solve | Medium | | |
| 718. Maximum Length of Repeated Subarray | | | Solve | Medium | | |
| 727. Minimum Window Subsequence | | | Solve | Hard | | |
| 730. Count Different Palindromic Subsequences | | | Solve | Hard | | |
| 740. Delete and Earn | | | Solve | Medium | | |
| 741. Cherry Pickup | | | Solve | Hard | | |
| 746. Min Cost Climbing Stairs | | | Solve | Easy | | |
| 750. Number Of Corner Rectangles | | | Solve | Medium | | |
| 764. Largest Plus Sign | | | Solve | Medium | | |
| 773. Sliding Puzzle | | | Solve | Hard | | |
| 787. Cheapest Flights Within K Stops | | | Solve | Medium | | |
| 788. Rotated Digits | | | Solve | Medium | | |
| 790. Domino and Tromino Tiling | | | Solve | Medium | | |
| 792. Number of Matching Subsequences | | | Solve | Medium | | |
| 799. Champagne Tower | | | Solve | Medium | | |
| 801. Minimum Swaps To Make Sequences Increasing | | | Solve | Hard | | |
| 805. Split Array With Same Average | | | Solve | Hard | | |
| 808. Soup Servings | | | Solve | Medium | | |
| 813. Largest Sum of Averages | | | Solve | Medium | | |
| 818. Race Car | | | Solve | Hard | | |
| 823. Binary Trees With Factors | | | Solve | Medium | | |
| 828. Count Unique Characters of All Substrings of a Given String | | | Solve | Hard | | |
| 834. Sum of Distances in Tree | | | Solve | Hard | | |
| 837. New 21 Game | | | Solve | Medium | | |
| 838. Push Dominoes | | | Solve | Medium | | |
| 845. Longest Mountain in Array | | | Solve | Medium | | |
| 847. Shortest Path Visiting All Nodes | | | Solve | Hard | | |
| 871. Minimum Number of Refueling Stops | | | Solve | Hard | | |
| 873. Length of Longest Fibonacci Subsequence | | | Solve | Medium | | |
| 877. Stone Game | | | Solve | Medium | | |
| 879. Profitable Schemes | | | Solve | Hard | | |
| 887. Super Egg Drop | | | Solve | Hard | | |