| 907. Sum of Subarray Minimums | | | Solve | Medium | | |
| 909. Snakes and Ladders | | | Solve | Medium | | |
| 921. Minimum Add to Make Parentheses Valid | | | Solve | Medium | | |
| 922. Sort Array By Parity II | | | Solve | Easy | | |
| 926. Flip String to Monotone Increasing | | | Solve | Medium | | |
| 935. Knight Dialer | | | Solve | Medium | | |
| 942. DI String Match | | | Solve | Easy | | |
| 946. Validate Stack Sequences | | | Solve | Medium | | |
| 949. Largest Time for Given Digits | | | Solve | Medium | | |
| 967. Numbers With Same Consecutive Differences | | | Solve | Medium | | |
| 972. Equal Rational Numbers | | | Solve | Hard | | |
| 973. K Closest Points to Origin | | | Solve | Medium | | |
| 977. Squares of a Sorted Array | | | Solve | Easy | | |
| 979. Distribute Coins in Binary Tree | | | Solve | Medium | | |
| 981. Time Based Key-Value Store | | | Solve | Medium | | |
| 987. Vertical Order Traversal of a Binary Tree | | | Solve | Hard | | |
| 990. Satisfiability of Equality Equations | | | Solve | Medium | | |
| 993. Cousins in Binary Tree | | | Solve | Easy | | |
| 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 | | |
| 1013. Partition Array Into Three Parts With Equal Sum | | | Solve | Easy | | |
| 1021. Remove Outermost Parentheses | | | Solve | Easy | | |
| 1027. Longest Arithmetic Subsequence | | | Solve | Medium | | |
| 1028. Recover a Tree From Preorder Traversal | | | Solve | Hard | | |
| 1031. Maximum Sum of Two Non-Overlapping Subarrays | | | Solve | Medium | | |
| 1032. Stream of Characters | | | Solve | Hard | | |
| 1053. Previous Permutation With One Swap | | | Solve | Medium | | |
| 1079. Letter Tile Possibilities | | | Solve | Medium | | |
| 1091. Shortest Path in Binary Matrix | | | Solve | Medium | | |
| 1092. Shortest Common Supersequence | | | Solve | Hard | | |
| 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 | | |
| 1153. String Transforms Into Another String | | | Solve | Hard | | |
| 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 | | |
| 1192. Critical Connections in a Network | | | Solve | Hard | | |
| 1197. Minimum Knight Moves | | | Solve | Medium | | |
| 1202. Smallest String With Swaps | | | Solve | Medium | | |
| 1206. Design Skiplist | | | Solve | Hard | | |