| 987. Vertical Order Traversal of a Binary Tree | | | Solve | Hard | | |
| 1004. Max Consecutive Ones III | | | 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 | | |
| 1019. Next Greater Node In Linked List | | | Solve | Medium | | |
| 1025. Divisor Game | | | Solve | Easy | | |
| 1029. Two City Scheduling | | | Solve | Medium | | |
| 1041. Robot Bounded In Circle | | | Solve | Medium | | |
| 1092. Shortest Common Supersequence | | | Solve | Hard | | |
| 1094. Car Pooling | | | Solve | Medium | | |
| 1095. Find in Mountain Array | | | Solve | Hard | | |
| 1104. Path In Zigzag Labelled Binary Tree | | | Solve | Medium | | |
| 1129. Shortest Path with Alternating Colors | | | Solve | Medium | | |
| 1141. User Activity for the Past 30 Days I | | | Solve | Easy | | |
| 1143. Longest Common Subsequence | | | Solve | Medium | | |
| 1148. Article Views I | | | Solve | Easy | | |
| 1155. Number of Dice Rolls With Target Sum | | | Solve | Medium | | |
| 1169. Invalid Transactions | | | Solve | Medium | | |
| 1188. Design Bounded Blocking Queue | | | Solve | Medium | | |
| 1192. Critical Connections in a Network | | | Solve | Hard | | |
| 1207. Unique Number of Occurrences | | | Solve | Easy | | |
| 1209. Remove All Adjacent Duplicates in String II | | | Solve | Medium | | |
| 1221. Split a String in Balanced Strings | | | Solve | Easy | | |
| 1229. Meeting Scheduler | | | Solve | Medium | | |
| 1236. Web Crawler | | | Solve | Medium | | |
| 1244. Design A Leaderboard | | | Solve | Medium | | |
| 1249. Minimum Remove to Make Valid Parentheses | | | Solve | Medium | | |
| 1260. Shift 2D Grid | | | Solve | Easy | | |
| 1266. Minimum Time Visiting All Points | | | Solve | Easy | | |
| 1274. Number of Ships in a Rectangle | | | Solve | Hard | | |
| 1277. Count Square Submatrices with All Ones | | | Solve | Medium | | |
| 1282. Group the People Given the Group Size They Belong To | | | Solve | Medium | | |
| 1293. Shortest Path in a Grid with Obstacles Elimination | | | Solve | Hard | | |
| 1300. Sum of Mutated Array Closest to Target | | | Solve | Medium | | |
| 1305. All Elements in Two Binary Search Trees | | | Solve | Medium | | |
| 1330. Reverse Subarray To Maximize Array Value | | | Solve | Hard | | |
| 1332. Remove Palindromic Subsequences | | | Solve | Easy | | |
| 1347. Minimum Number of Steps to Make Two Strings Anagram | | | Solve | Medium | | |
| 1387. Sort Integers by The Power Value | | | Solve | Medium | | |
| 1396. Design Underground System | | | Solve | Medium | | |
| 1408. String Matching in an Array | | | Solve | Easy | | |
| 1439. Find the Kth Smallest Sum of a Matrix With Sorted Rows | | | Solve | Hard | | |
| 1457. Pseudo-Palindromic Paths in a Binary Tree | | | Solve | Medium | | |
| 1472. Design Browser History | | | Solve | Medium | | |
| 1478. Allocate Mailboxes | | | Solve | Hard | | |
| 1486. XOR Operation in an Array | | | Solve | Easy | | |
| 1506. Find Root of N-Ary Tree | | | Solve | Medium | | |
| 1519. Number of Nodes in the Sub-Tree With the Same Label | | | Solve | Medium | | |
| 1535. Find the Winner of an Array Game | | | Solve | Medium | | |
