| 751. IP to CIDR | Solution | Solve | Medium | | |
| 752. Open the Lock | Solution | Solve | Medium | | |
| 753. Cracking the Safe | Solution | Solve | Hard | | |
| 754. Reach a Number | Solution | Solve | Medium | | |
| 755. Pour Water | Solution | Solve | Medium | | |
| 756. Pyramid Transition Matrix | Solution | Solve | Medium | | |
| 757. Set Intersection Size At Least Two | Solution | Solve | Hard | | |
| 758. Bold Words in String | Solution | Solve | Medium | | |
| 759. Employee Free Time | Solution | Solve | Hard | | |
| 760. Find Anagram Mappings | Solution | Solve | Easy | | |
| 761. Special Binary String | Solution | Solve | Hard | | |
| 762. Prime Number of Set Bits in Binary Representation | Solution | Solve | Easy | | |
| 763. Partition Labels | Solution | Solve | Medium | | |
| 764. Largest Plus Sign | Solution | Solve | Medium | | |
| 765. Couples Holding Hands | Solution | Solve | Hard | | |
| 766. Toeplitz Matrix | Solution | Solve | Easy | | |
| 767. Reorganize String | Solution | Solve | Medium | | |
| 768. Max Chunks To Make Sorted II | Solution | Solve | Hard | | |
| 769. Max Chunks To Make Sorted | Solution | Solve | Medium | | |
| 770. Basic Calculator IV | Solution | Solve | Hard | | |
| 771. Jewels and Stones | Solution | Solve | Easy | | |
| 772. Basic Calculator III | Solution | Solve | Hard | | |
| 773. Sliding Puzzle | Solution | Solve | Hard | | |
| 774. Minimize Max Distance to Gas Station | Solution | Solve | Hard | | |
| 775. Global and Local Inversions | Solution | Solve | Medium | | |
| 776. Split BST | Solution | Solve | Medium | | |
| 777. Swap Adjacent in LR String | Solution | Solve | Medium | | |
| 778. Swim in Rising Water | Solution | Solve | Hard | | |
| 779. K-th Symbol in Grammar | Solution | Solve | Medium | | |
| 780. Reaching Points | Solution | Solve | Hard | | |
| 781. Rabbits in Forest | Solution | Solve | Medium | | |
| 782. Transform to Chessboard | Solution | Solve | Hard | | |
| 783. Minimum Distance Between BST Nodes | Solution | Solve | Easy | | |
| 784. Letter Case Permutation | Solution | Solve | Medium | | |
| 785. Is Graph Bipartite? | Solution | Solve | Medium | | |
| 786. K-th Smallest Prime Fraction | Solution | Solve | Medium | | |
| 787. Cheapest Flights Within K Stops | Solution | Solve | Medium | | |
| 788. Rotated Digits | Solution | Solve | Medium | | |
| 789. Escape The Ghosts | Solution | Solve | Medium | | |
| 790. Domino and Tromino Tiling | Solution | Solve | Medium | | |
| 791. Custom Sort String | Solution | Solve | Medium | | |
| 792. Number of Matching Subsequences | Solution | Solve | Medium | | |
| 793. Preimage Size of Factorial Zeroes Function | Solution | Solve | Hard | | |
| 794. Valid Tic-Tac-Toe State | Solution | Solve | Medium | | |
| 795. Number of Subarrays with Bounded Maximum | Solution | Solve | Medium | | |
| 796. Rotate String | Solution | Solve | Easy | | |
| 797. All Paths From Source to Target | Solution | Solve | Medium | | |
| 798. Smallest Rotation with Highest Score | Solution | Solve | Hard | | |
| 799. Champagne Tower | Solution | Solve | Medium | | |
| 800. Similar RGB Color | Solution | Solve | Easy | | |