| 1356 | Sort Integers by The Number of 1 Bits | Easy |
| 1371 | Find the Longest Substring Containing Vowels in Even Counts | Medium |
| 1386 | Cinema Seat Allocation | Medium |
| 1404 | Number of Steps to Reduce a Number in Binary Representation to One | Medium |
| 1434 | Number of Ways to Wear Different Hats to Each Other | Hard |
| 1442 | Count Triplets That Can Form Two Arrays of Equal XOR | Medium |
| 1457 | Pseudo-Palindromic Paths in a Binary Tree | Medium |
| 1461 | Check If a String Contains All Binary Codes of Size K | Medium |
| 1486 | XOR Operation in an Array | Easy |
| 1494 | Parallel Courses II | Hard |
| 1521 | Find a Value of a Mysterious Function Closest to Target | Hard |
| 1525 | Number of Good Ways to Split a String | Medium |
| 1542 | Find Longest Awesome Substring | Hard |
| 1595 | Minimum Cost to Connect Two Groups of Points | Hard |
| 1601 | Maximum Number of Achievable Transfer Requests | Hard |
| 1611 | Minimum One Bit Operations to Make Integers Zero | Hard |
| 1617 | Count Subtrees With Max Distance Between Cities | Hard |
| 1655 | Distribute Repeating Integers | Hard |
| 1659 | Maximize Grid Happiness | Hard |
| 1680 | Concatenation of Consecutive Binary Numbers | Medium |
| 1681 | Minimum Incompatibility | Hard |
| 1684 | Count the Number of Consistent Strings | Easy |
| 1707 | Maximum XOR With an Element From Array | Hard |
| 1720 | Decode XORed Array | Easy |
| 1723 | Find Minimum Time to Finish All Jobs | Hard |
| 1734 | Decode XORed Permutation | Medium |
| 1738 | Find Kth Largest XOR Coordinate Value | Medium |
| 1755 | Closest Subsequence Sum | Hard |
| 1763 | Longest Nice Substring | Easy |
| 1787 | Make the XOR of All Segments Equal to Zero | Hard |