| 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 |  |  |