| 1400. Construct K Palindrome Strings | | | Solve | Medium | | |
| 1416. Restore The Array | | | Solve | Hard | | |
| 1428. Leftmost Column with at Least a One | | | Solve | Medium | | |
| 1438. Longest Continuous Subarray With Absolute Diff Less Than or Equal to Limit | | | Solve | Medium | | |
| 1462. Course Schedule IV | | | Solve | Medium | | |
| 1515. Best Position for a Service Centre | | | Solve | Hard | | |
| 1519. Number of Nodes in the Sub-Tree With the Same Label | | | Solve | Medium | | |
| 1531. String Compression II | | | Solve | Hard | | |
| 1556. Thousand Separator | | | Solve | Easy | | |
| 1582. Special Positions in a Binary Matrix | | | Solve | Easy | | |
| 1626. Best Team With No Conflicts | | | Solve | Medium | | |
| 1635. Hopper Company Queries I | | | Solve | Hard | | |
| 1645. Hopper Company Queries II | | | Solve | Hard | | |
| 1651. Hopper Company Queries III | | | Solve | Hard | | |
| 1705. Maximum Number of Eaten Apples | | | Solve | Medium | | |
| 1719. Number Of Ways To Reconstruct A Tree | | | Solve | Hard | | |
| 1729. Find Followers Count | | | Solve | Easy | | |
| 1740. Find Distance in a Binary Tree | | | Solve | Medium | | |
| 1743. Restore the Array From Adjacent Pairs | | | Solve | Medium | | |
| 1755. Closest Subsequence Sum | | | Solve | Hard | | |
| 1757. Recyclable and Low Fat Products | | | Solve | Easy | | |
| 1762. Buildings With an Ocean View | | | Solve | Medium | | |
| 1768. Merge Strings Alternately | | | Solve | Easy | | |
| 1814. Count Nice Pairs in an Array | | | Solve | Medium | | |
| 1818. Minimum Absolute Sum Difference | | | Solve | Medium | | |
| 1829. Maximum XOR for Each Query | | | Solve | Medium | | |
| 1838. Frequency of the Most Frequent Element | | | Solve | Medium | | |
| 1842. Next Palindrome Using Same Digits | | | Solve | Hard | | |
| 1856. Maximum Subarray Min-Product | | | Solve | Medium | | |
| 1861. Rotating the Box | | | Solve | Medium | | |
| 1920. Build Array from Permutation | | | Solve | Easy | | |
| 1922. Count Good Numbers | | | Solve | Medium | | |
| 1961. Check If String Is a Prefix of Array | | | Solve | Easy | | |
| 1967. Number of Strings That Appear as Substrings in Word | | | Solve | Easy | | |
| 2009. Minimum Number of Operations to Make Array Continuous | | | Solve | Hard | | |
| 2035. Partition Array Into Two Arrays to Minimize Sum Difference | | | Solve | Hard | | |
| 2115. Find All Possible Recipes from Given Supplies | | | Solve | Medium | | |
| 2127. Maximum Employees to Be Invited to a Meeting | | | Solve | Hard | | |
| 2158. Amount of New Area Painted Each Day | | | Solve | Hard | | |
| 2163. Minimum Difference in Sums After Removal of Elements | | | Solve | Hard | | |
| 2187. Minimum Time to Complete Trips | | | Solve | Medium | | |
| 2196. Create Binary Tree From Descriptions | | | Solve | Medium | | |
| 2235. Add Two Integers | | | Solve | Easy | | |
| 2243. Calculate Digit Sum of a String | | | Solve | Easy | | |
| 2248. Intersection of Multiple Arrays | | | Solve | Easy | | |
| 2258. Escape the Spreading Fire | | | Solve | Hard | | |
| 2261. K Divisible Elements Subarrays | | | Solve | Medium | | |
| 2282. Number of People That Can Be Seen in a Grid | | | Solve | Medium | | |
| 2307. Check for Contradictions in Equations | | | Solve | Hard | | |
| 2333. Minimum Sum of Squared Difference | | | Solve | Medium | | |
