| 797. All Paths From Source to Target | | | Solve | Medium | | |
| 833. Find And Replace in String | | | Solve | Medium | | |
| 835. Image Overlap | | | Solve | Medium | | |
| 849. Maximize Distance to Closest Person | | | Solve | Medium | | |
| 852. Peak Index in a Mountain Array | | | Solve | Medium | | |
| 853. Car Fleet | | | Solve | Medium | | |
| 863. All Nodes Distance K in Binary Tree | | | Solve | Medium | | |
| 869. Reordered Power of 2 | | | Solve | Medium | | |
| 875. Koko Eating Bananas | | | Solve | Medium | | |
| 881. Boats to Save People | | | Solve | Medium | | |
| 886. Possible Bipartition | | | Solve | Medium | | |
| 907. Sum of Subarray Minimums | | | Solve | Medium | | |
| 909. Snakes and Ladders | | | Solve | Medium | | |
| 921. Minimum Add to Make Parentheses Valid | | | Solve | Medium | | |
| 926. Flip String to Monotone Increasing | | | Solve | Medium | | |
| 935. Knight Dialer | | | Solve | Medium | | |
| 946. Validate Stack Sequences | | | Solve | Medium | | |
| 949. Largest Time for Given Digits | | | Solve | Medium | | |
| 967. Numbers With Same Consecutive Differences | | | Solve | Medium | | |
| 973. K Closest Points to Origin | | | Solve | Medium | | |
| 979. Distribute Coins in Binary Tree | | | Solve | Medium | | |
| 981. Time Based Key-Value Store | | | 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 | | |
| 1011. Capacity To Ship Packages Within D Days | | | Solve | Medium | | |
| 1027. Longest Arithmetic Subsequence | | | Solve | Medium | | |
| 1031. Maximum Sum of Two Non-Overlapping Subarrays | | | Solve | Medium | | |
| 1053. Previous Permutation With One Swap | | | Solve | Medium | | |
| 1079. Letter Tile Possibilities | | | Solve | Medium | | |
| 1091. Shortest Path in Binary Matrix | | | Solve | Medium | | |
| 1093. Statistics from a Large Sample | | | Solve | Medium | | |
| 1094. Car Pooling | | | Solve | Medium | | |
| 1110. Delete Nodes And Return Forest | | | Solve | Medium | | |
| 1131. Maximum of Absolute Value Expression | | | Solve | Medium | | |
| 1146. Snapshot Array | | | Solve | Medium | | |
| 1155. Number of Dice Rolls With Target Sum | | | Solve | Medium | | |
| 1156. Swap For Longest Repeated Character Substring | | | Solve | Medium | | |
| 1161. Maximum Level Sum of a Binary Tree | | | Solve | Medium | | |
| 1162. As Far from Land as Possible | | | Solve | Medium | | |
| 1167. Minimum Cost to Connect Sticks | | | Solve | Medium | | |
| 1188. Design Bounded Blocking Queue | | | Solve | Medium | | |
| 1190. Reverse Substrings Between Each Pair of Parentheses | | | Solve | Medium | | |
| 1197. Minimum Knight Moves | | | Solve | Medium | | |
| 1202. Smallest String With Swaps | | | Solve | Medium | | |
| 1209. Remove All Adjacent Duplicates in String II | | | Solve | Medium | | |
| 1218. Longest Arithmetic Subsequence of Given Difference | | | Solve | Medium | | |
| 1239. Maximum Length of a Concatenated String with Unique Characters | | | Solve | Medium | | |