| 986. Interval List Intersections | | | Solve | Medium | | |
| 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 | | |
| 1029. Two City Scheduling | | | Solve | Medium | | |
| 1041. Robot Bounded In Circle | | | Solve | Medium | | |
| 1094. Car Pooling | | | Solve | Medium | | |
| 1104. Path In Zigzag Labelled Binary Tree | | | Solve | Medium | | |
| 1129. Shortest Path with Alternating Colors | | | Solve | Medium | | |
| 1143. Longest Common Subsequence | | | Solve | Medium | | |
| 1155. Number of Dice Rolls With Target Sum | | | Solve | Medium | | |
| 1169. Invalid Transactions | | | Solve | Medium | | |
| 1188. Design Bounded Blocking Queue | | | Solve | Medium | | |
| 1209. Remove All Adjacent Duplicates in String II | | | Solve | Medium | | |
| 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 | | |
| 1277. Count Square Submatrices with All Ones | | | Solve | Medium | | |
| 1282. Group the People Given the Group Size They Belong To | | | Solve | Medium | | |
| 1300. Sum of Mutated Array Closest to Target | | | Solve | Medium | | |
| 1305. All Elements in Two Binary Search Trees | | | Solve | Medium | | |
| 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 | | |
| 1457. Pseudo-Palindromic Paths in a Binary Tree | | | Solve | Medium | | |
| 1472. Design Browser History | | | Solve | Medium | | |
| 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 | | |
| 1570. Dot Product of Two Sparse Vectors | | | Solve | Medium | | |
| 1583. Count Unhappy Friends | | | Solve | Medium | | |
| 1609. Even Odd Tree | | | Solve | Medium | | |
| 1630. Arithmetic Subarrays | | | Solve | Medium | | |
| 1698. Number of Distinct Substrings in a String | | | Solve | Medium | | |
| 1721. Swapping Nodes in a Linked List | | | Solve | Medium | | |
| 1730. Shortest Path to Get Food | | | Solve | Medium | | |
| 1753. Maximum Score From Removing Stones | | | Solve | Medium | | |
| 1820. Maximum Number of Accepted Invitations | | | Solve | Medium | | |
| 1823. Find the Winner of the Circular Game | | | Solve | Medium | | |
| 1976. Number of Ways to Arrive at Destination | | | Solve | Medium | | |
| 2166. Design Bitset | | | Solve | Medium | | |
| 2385. Amount of Time for Binary Tree to Be Infected | | | Solve | Medium | | |
| 2487. Remove Nodes From Linked List | | | Solve | Medium | | |
| 2583. Kth Largest Sum in a Binary Tree | | | Solve | Medium | | |
| 2707. Extra Characters in a String | | | Solve | Medium | | |
| 2708. Maximum Strength of a Group | | | Solve | Medium | | |
| 2971. Find Polygon With the Largest Perimeter | | | Solve | Medium | | |
