| 1512 | Number of Good Pairs | Easy |
| 1513 | Number of Substrings With Only 1s | Medium |
| 1514 | Path with Maximum Probability | Medium |
| 1515 | Best Position for a Service Centre | Hard |
| 1518 | Water Bottles | Easy |
| 1519 | Number of Nodes in the Sub-Tree With the Same Label | Medium |
| 1520 | Maximum Number of Non-Overlapping Substrings | Hard |
| 1521 | Find a Value of a Mysterious Function Closest to Target | Hard |
| 1523 | Count Odd Numbers in an Interval Range | Easy |
| 1524 | Number of Sub-arrays With Odd Sum | Medium |
| 1525 | Number of Good Ways to Split a String | Medium |
| 1526 | Minimum Number of Increments on Subarrays to Form a Target Array | Hard |
| 1527 | Patients With a Condition | Easy |
| 1528 | Shuffle String | Easy |
| 1529 | Minimum Suffix Flips | Medium |
| 1530 | Number of Good Leaf Nodes Pairs | Medium |
| 1531 | String Compression II | Hard |
| 1534 | Count Good Triplets | Easy |
| 1535 | Find the Winner of an Array Game | Medium |
| 1536 | Minimum Swaps to Arrange a Binary Grid | Medium |
| 1537 | Get the Maximum Score | Hard |
| 1539 | Kth Missing Positive Number | Easy |
| 1540 | Can Convert String in K Moves | Medium |
| 1541 | Top Travellers | Easy |
| 1541 | Minimum Insertions to Balance a Parentheses String | Medium |
| 1542 | Find Longest Awesome Substring | Hard |
| 1544 | Make The String Great | Easy |
| 1545 | Find Kth Bit in Nth Binary String | Medium |
| 1546 | Maximum Number of Non-Overlapping Subarrays With Sum Equals Target | Medium |
| 1547 | Minimum Cost to Cut a Stick | Hard |