| 775. Global and Local Inversions | | | Solve | Medium | | |
| 778. Swim in Rising Water | | | Solve | Hard | | |
| 781. Rabbits in Forest | | | Solve | Medium | | |
| 782. Transform to Chessboard | | | Solve | Hard | | |
| 786. K-th Smallest Prime Fraction | | | Solve | Medium | | |
| 789. Escape The Ghosts | | | Solve | Medium | | |
| 792. Number of Matching Subsequences | | | Solve | Medium | | |
| 794. Valid Tic-Tac-Toe State | | | Solve | Medium | | |
| 795. Number of Subarrays with Bounded Maximum | | | Solve | Medium | | |
| 798. Smallest Rotation with Highest Score | | | Solve | Hard | | |
| 801. Minimum Swaps To Make Sequences Increasing | | | Solve | Hard | | |
| 803. Bricks Falling When Hit | | | Solve | Hard | | |
| 804. Unique Morse Code Words | | | Solve | Easy | | |
| 805. Split Array With Same Average | | | Solve | Hard | | |
| 806. Number of Lines To Write String | | | Solve | Easy | - | |
| 807. Max Increase to Keep City Skyline | | | Solve | Medium | | |
| 809. Expressive Words | | | Solve | Medium | | |
| 810. Chalkboard XOR Game | | | Solve | Hard | | |
| 811. Subdomain Visit Count | | | Solve | Medium | | |
| 812. Largest Triangle Area | | | Solve | Easy | | |
| 813. Largest Sum of Averages | | | Solve | Medium | | |
| 815. Bus Routes | | | Solve | Hard | | |
| 817. Linked List Components | | | Solve | Medium | | |
| 819. Most Common Word | | | Solve | Easy | | |
| 820. Short Encoding of Words | | | Solve | Medium | | |
| 821. Shortest Distance to a Character | | | Solve | Easy | | |
| 822. Card Flipping Game | | | Solve | Medium | - | |
| 823. Binary Trees With Factors | | | Solve | Medium | | |
| 825. Friends Of Appropriate Ages | | | Solve | Medium | | |
| 826. Most Profit Assigning Work | | | Solve | Medium | | |
| 827. Making A Large Island | | | Solve | Hard | | |
| 832. Flipping an Image | | | Solve | Easy | | |
| 833. Find And Replace in String | | | Solve | Medium | | |
| 835. Image Overlap | | | Solve | Medium | | |
| 839. Similar String Groups | | | Solve | Hard | | |
| 840. Magic Squares In Grid | | | Solve | Medium | | |
| 843. Guess the Word | | | Solve | Hard | | |
| 845. Longest Mountain in Array | | | Solve | Medium | | |
| 846. Hand of Straights | | | Solve | Medium | | |
| 848. Shifting Letters | | | Solve | Medium | | |
| 849. Maximize Distance to Closest Person | | | Solve | Medium | | |
| 850. Rectangle Area II | | | Solve | Hard | - | |
| 851. Loud and Rich | | | Solve | Medium | | |
| 852. Peak Index in a Mountain Array | | | Solve | Medium | | |
| 853. Car Fleet | | | Solve | Medium | | |
| 857. Minimum Cost to Hire K Workers | | | Solve | Hard | | |
| 860. Lemonade Change | | | Solve | Easy | | |
| 861. Score After Flipping Matrix | | | Solve | Medium | | |
| 862. Shortest Subarray with Sum at Least K | | | Solve | Hard | | |
| 864. Shortest Path to Get All Keys | | | Solve | Hard | | |