| 1601. Maximum Number of Achievable Transfer Requests | | | Solve | Hard | | |
| 1602. Find Nearest Right Node in Binary Tree | | | Solve | Medium | | |
| 1603. Design Parking System | | | Solve | Easy | | |
| 1604. Alert Using Same Key-Card Three or More Times in a One Hour Period | | | Solve | Medium | | |
| 1605. Find Valid Matrix Given Row and Column Sums | | | Solve | Medium | | |
| 1606. Find Servers That Handled Most Number of Requests | | | Solve | Hard | | |
| 1607. Sellers With No Sales | | | Solve | Easy | - | |
| 1608. Special Array With X Elements Greater Than or Equal X | | | Solve | Easy | | |
| 1609. Even Odd Tree | | | Solve | Medium | | |
| 1610. Maximum Number of Visible Points | | | Solve | Hard | | |
| 1611. Minimum One Bit Operations to Make Integers Zero | | | Solve | Hard | | |
| 1612. Check If Two Expression Trees are Equivalent | | | Solve | Medium | | |
| 1613. Find the Missing IDs | | | Solve | Medium | | |
| 1614. Maximum Nesting Depth of the Parentheses | | | Solve | Easy | | |
| 1615. Maximal Network Rank | | | Solve | Medium | | |
| 1616. Split Two Strings to Make Palindrome | | | Solve | Medium | | |
| 1617. Count Subtrees With Max Distance Between Cities | | | Solve | Hard | | |
| 1618. Maximum Font to Fit a Sentence in a Screen | | | Solve | Medium | | |
| 1619. Mean of Array After Removing Some Elements | | | Solve | Easy | | |
| 1620. Coordinate With Maximum Network Quality | | | Solve | Medium | | |
| 1621. Number of Sets of K Non-Overlapping Line Segments | | | Solve | Medium | | |
| 1622. Fancy Sequence | | | Solve | Hard | | |
| 1623. All Valid Triplets That Can Represent a Country | | | Solve | Easy | | |
| 1624. Largest Substring Between Two Equal Characters | | | Solve | Easy | | |
| 1625. Lexicographically Smallest String After Applying Operations | | | Solve | Medium | | |
| 1626. Best Team With No Conflicts | | | Solve | Medium | | |
| 1627. Graph Connectivity With Threshold | | | Solve | Hard | | |
| 1628. Design an Expression Tree With Evaluate Function | | | Solve | Medium | | |
| 1629. Slowest Key | | | Solve | Easy | | |
| 1630. Arithmetic Subarrays | | | Solve | Medium | | |
| 1631. Path With Minimum Effort | | | Solve | Medium | | |
| 1632. Rank Transform of a Matrix | | | Solve | Hard | | |
| 1633. Percentage of Users Attended a Contest | | | Solve | Easy | - | |
| 1634. Add Two Polynomials Represented as Linked Lists | | | Solve | Medium | | |
| 1635. Hopper Company Queries I | | | Solve | Hard | | |
| 1636. Sort Array by Increasing Frequency | | | Solve | Easy | | |
| 1637. Widest Vertical Area Between Two Points Containing No Points | | | Solve | Easy | | |
| 1638. Count Substrings That Differ by One Character | | | Solve | Medium | | |
| 1639. Number of Ways to Form a Target String Given a Dictionary | | | Solve | Hard | | |
| 1640. Check Array Formation Through Concatenation | | | Solve | Easy | | |
| 1641. Count Sorted Vowel Strings | | | Solve | Medium | | |
| 1642. Furthest Building You Can Reach | | | Solve | Medium | | |
| 1643. Kth Smallest Instructions | | | Solve | Hard | | |
| 1644. Lowest Common Ancestor of a Binary Tree II | | | Solve | Medium | | |
| 1645. Hopper Company Queries II | | | Solve | Hard | | |
| 1646. Get Maximum in Generated Array | | | Solve | Easy | - | |
| 1647. Minimum Deletions to Make Character Frequencies Unique | | | Solve | Medium | | |
| 1648. Sell Diminishing-Valued Colored Balls | | | Solve | Medium | | |
| 1649. Create Sorted Array through Instructions | | | Solve | Hard | | |
| 1650. Lowest Common Ancestor of a Binary Tree III | | | Solve | Medium | | |
