| 861. Score After Flipping Matrix | | | Solve | Medium | | |
| 863. All Nodes Distance K in Binary Tree | | | Solve | Medium | | |
| 865. Smallest Subtree with all the Deepest Nodes | | | Solve | Medium | | |
| 869. Reordered Power of 2 | | | Solve | Medium | | |
| 875. Koko Eating Bananas | | | Solve | Medium | | |
| 877. Stone Game | | | Solve | Medium | | |
| 880. Decoded String at Index | | | Solve | Medium | | |
| 881. Boats to Save People | | | Solve | Medium | | |
| 886. Possible Bipartition | | | Solve | Medium | | |
| 889. Construct Binary Tree from Preorder and Postorder Traversal | | | Solve | Medium | | |
| 894. All Possible Full Binary Trees | | | Solve | Medium | | |
| 901. Online Stock Span | | | Solve | Medium | | |
| 904. Fruit Into Baskets | | | Solve | Medium | | |
| 907. Sum of Subarray Minimums | | | Solve | Medium | | |
| 909. Snakes and Ladders | | | Solve | Medium | | |
| 910. Smallest Range II | | | Solve | Medium | | |
| 912. Sort an Array | | | Solve | Medium | | |
| 915. Partition Array into Disjoint Intervals | | | Solve | Medium | | |
| 918. Maximum Sum Circular Subarray | | | Solve | Medium | | |
| 921. Minimum Add to Make Parentheses Valid | | | Solve | Medium | | |
| 923. 3Sum With Multiplicity | | | Solve | Medium | | |
| 926. Flip String to Monotone Increasing | | | Solve | Medium | | |
| 930. Binary Subarrays With Sum | | | Solve | Medium | | |
| 935. Knight Dialer | | | Solve | Medium | | |
| 937. Reorder Data in Log Files | | | Solve | Medium | | |
| 946. Validate Stack Sequences | | | Solve | Medium | | |
| 947. Most Stones Removed with Same Row or Column | | | Solve | Medium | | |
| 949. Largest Time for Given Digits | | | Solve | Medium | | |
| 959. Regions Cut By Slashes | | | Solve | Medium | | |
| 962. Maximum Width Ramp | | | Solve | Medium | | |
| 967. Numbers With Same Consecutive Differences | | | Solve | Medium | | |
| 969. Pancake Sorting | | | Solve | Medium | | |
| 970. Powerful Integers | | | Solve | Medium | | |
| 971. Flip Binary Tree To Match Preorder Traversal | | | Solve | Medium | | |
| 973. K Closest Points to Origin | | | Solve | Medium | | |
| 974. Subarray Sums Divisible by K | | | Solve | Medium | | |
| 979. Distribute Coins in Binary Tree | | | Solve | Medium | | |
| 981. Time Based Key-Value Store | | | Solve | Medium | | |
| 986. Interval List Intersections | | | Solve | Medium | | |
| 990. Satisfiability of Equality Equations | | | Solve | Medium | | |
| 994. Rotting Oranges | | | Solve | Medium | | |
| 1004. Max Consecutive Ones III | | | Solve | Medium | | |
| 1006. Clumsy Factorial | | | Solve | Medium | | |
| 1008. Construct Binary Search Tree from Preorder Traversal | | | Solve | Medium | | |
| 1010. Pairs of Songs With Total Durations Divisible by 60 | | | Solve | Medium | | |
| 1011. Capacity To Ship Packages Within D Days | | | Solve | Medium | | |
| 1016. Binary String With Substrings Representing 1 To N | | | Solve | Medium | | |
| 1019. Next Greater Node In Linked List | | | Solve | Medium | | |
| 1023. Camelcase Matching | | | Solve | Medium | | |
| 1024. Video Stitching | | | Solve | Medium | | |
