| 1501. Countries You Can Safely Invest In | | | Solve | Medium | - | |
| 1502. Can Make Arithmetic Progression From Sequence | | | Solve | Easy | | |
| 1503. Last Moment Before All Ants Fall Out of a Plank | | | Solve | Medium | | |
| 1504. Count Submatrices With All Ones | | | Solve | Medium | | |
| 1505. Minimum Possible Integer After at Most K Adjacent Swaps On Digits | | | Solve | Hard | - | |
| 1506. Find Root of N-Ary Tree | | | Solve | Medium | | |
| 1507. Reformat Date | | | Solve | Easy | | |
| 1508. Range Sum of Sorted Subarray Sums | | | Solve | Medium | | |
| 1509. Minimum Difference Between Largest and Smallest Value in Three Moves | | | Solve | Medium | | |
| 1510. Stone Game IV | | | Solve | Hard | | |
| 1511. Customer Order Frequency | | | Solve | Easy | | |
| 1512. Number of Good Pairs | | | Solve | Easy | | |
| 1513. Number of Substrings With Only 1s | | | Solve | Medium | | |
| 1514. Path with Maximum Probability | | | Solve | Medium | | |
| 1515. Best Position for a Service Centre | | | Solve | Hard | | |
| 1516. Move Sub-Tree of N-Ary Tree | | | Solve | Hard | | |
| 1517. Find Users With Valid E-Mails | | | Solve | Easy | - | |
| 1518. Water Bottles | | | Solve | Easy | | |
| 1519. Number of Nodes in the Sub-Tree With the Same Label | | | Solve | Medium | | |
| 1520. Maximum Number of Non-Overlapping Substrings | | | Solve | Hard | | |
| 1521. Find a Value of a Mysterious Function Closest to Target | | | Solve | Hard | | |
| 1522. Diameter of N-Ary Tree | | | Solve | Medium | | |
| 1523. Count Odd Numbers in an Interval Range | | | Solve | Easy | | |
| 1524. Number of Sub-arrays With Odd Sum | | | Solve | Medium | | |
| 1525. Number of Good Ways to Split a String | | | Solve | Medium | | |
| 1526. Minimum Number of Increments on Subarrays to Form a Target Array | | | Solve | Hard | | |
| 1527. Patients With a Condition | | | Solve | Easy | - | |
| 1528. Shuffle String | | | Solve | Easy | | |
| 1529. Minimum Suffix Flips | | | Solve | Medium | | |
| 1530. Number of Good Leaf Nodes Pairs | | | Solve | Medium | | |
| 1531. String Compression II | | | Solve | Hard | | |
| 1532. The Most Recent Three Orders | | | Solve | Medium | - | |
| 1533. Find the Index of the Large Integer | | | Solve | Medium | | |
| 1534. Count Good Triplets | | | Solve | Easy | | |
| 1535. Find the Winner of an Array Game | | | Solve | Medium | | |
| 1536. Minimum Swaps to Arrange a Binary Grid | | | Solve | Medium | | |
| 1537. Get the Maximum Score | | | Solve | Hard | | |
| 1538. Guess the Majority in a Hidden Array | | | Solve | Medium | | |
| 1539. Kth Missing Positive Number | | | Solve | Easy | | |
| 1540. Can Convert String in K Moves | | | Solve | Medium | | |
| 1541. Minimum Insertions to Balance a Parentheses String | | | Solve | Medium | | |
| 1542. Find Longest Awesome Substring | | | Solve | Hard | | |
| 1543. Fix Product Name Format | | | Solve | Easy | - | |
| 1544. Make The String Great | | | Solve | Easy | | |
| 1545. Find Kth Bit in Nth Binary String | | | Solve | Medium | | |
| 1546. Maximum Number of Non-Overlapping Subarrays With Sum Equals Target | | | Solve | Medium | | |
| 1547. Minimum Cost to Cut a Stick | | | Solve | Hard | | |
| 1548. The Most Similar Path in a Graph | | | Solve | Hard | | |
| 1549. The Most Recent Orders for Each Product | | | Solve | Medium | - | |
| 1550. Three Consecutive Odds | | | Solve | Easy | | |
