| 1513. Number of Substrings With Only 1s | | | Solve | Medium | | |
| 1515. Best Position for a Service Centre | | | Solve | Hard | | |
| 1518. Water Bottles | | | Solve | Easy | | |
| 1523. Count Odd Numbers in an Interval Range | | | Solve | Easy | | |
| 1524. Number of Sub-arrays With Odd Sum | | | Solve | Medium | | |
| 1538. Guess the Majority in a Hidden Array | | | Solve | Medium | | |
| 1551. Minimum Operations to Make Array Equal | | | Solve | Medium | | |
| 1561. Maximum Number of Coins You Can Get | | | Solve | Medium | | |
| 1563. Stone Game V | | | Solve | Hard | | |
| 1569. Number of Ways to Reorder Array to Get Same BST | | | Solve | Hard | | |
| 1573. Number of Ways to Split a String | | | Solve | Medium | | |
| 1577. Number of Ways Where Square of Number Is Equal to Product of Two Numbers | | | Solve | Medium | - | |
| 1588. Sum of All Odd Length Subarrays | | | Solve | Easy | | |
| 1610. Maximum Number of Visible Points | | | Solve | Hard | | |
| 1621. Number of Sets of K Non-Overlapping Line Segments | | | Solve | Medium | | |
| 1622. Fancy Sequence | | | Solve | Hard | | |
| 1627. Graph Connectivity With Threshold | | | Solve | Hard | | |
| 1628. Design an Expression Tree With Evaluate Function | | | Solve | Medium | | |
| 1634. Add Two Polynomials Represented as Linked Lists | | | Solve | Medium | | |
| 1641. Count Sorted Vowel Strings | | | Solve | Medium | | |
| 1643. Kth Smallest Instructions | | | Solve | Hard | | |
| 1648. Sell Diminishing-Valued Colored Balls | | | Solve | Medium | | |
| 1680. Concatenation of Consecutive Binary Numbers | | | Solve | Medium | | |
| 1685. Sum of Absolute Differences in a Sorted Array | | | Solve | Medium | | |
| 1686. Stone Game VI | | | Solve | Medium | | |
| 1688. Count of Matches in Tournament | | | Solve | Easy | | |
| 1690. Stone Game VII | | | Solve | Medium | | |
| 1716. Calculate Money in Leetcode Bank | | | Solve | Easy | | |
| 1728. Cat and Mouse II | | | Solve | Hard | | |
| 1735. Count Ways to Make Array With Product | | | Solve | Hard | | |
| 1739. Building Boxes | | | Solve | Hard | | |
| 1742. Maximum Number of Balls in a Box | | | Solve | Easy | | |
| 1753. Maximum Score From Removing Stones | | | Solve | Medium | | |
| 1759. Count Number of Homogenous Substrings | | | Solve | Medium | | |
| 1766. Tree of Coprimes | | | Solve | Hard | | |
| 1776. Car Fleet II | | | Solve | Hard | | |
| 1780. Check if Number is a Sum of Powers of Three | | | Solve | Medium | | |
| 1799. Maximize Score After N Operations | | | Solve | Hard | | |
| 1806. Minimum Number of Operations to Reinitialize a Permutation | | | Solve | Medium | | |
| 1808. Maximize Number of Nice Divisors | | | Solve | Hard | | |
| 1812. Determine Color of a Chessboard Square | | | Solve | Easy | | |
| 1814. Count Nice Pairs in an Array | | | Solve | Medium | | |
| 1819. Number of Different Subsequences GCDs | | | Solve | Hard | | |
| 1822. Sign of the Product of an Array | | | Solve | Easy | | |
| 1823. Find the Winner of the Circular Game | | | Solve | Medium | | |
| 1828. Queries on Number of Points Inside a Circle | | | Solve | Medium | | |
| 1830. Minimum Number of Operations to Make String Sorted | | | Solve | Hard | | |
| 1835. Find XOR Sum of All Pairs Bitwise AND | | | Solve | Hard | | |
| 1837. Sum of Digits in Base K | | | Solve | Easy | - | |
| 1840. Maximum Building Height | | | Solve | Hard | | |
