| 380 | Insert Delete GetRandom O(1) | Medium |
| 381 | Insert Delete GetRandom O(1) - Duplicates allowed | Hard |
| 415 | Add Strings | Easy |
| 445 | Add Two Numbers II | Medium |
| 458 | Poor Pigs | Hard |
| 478 | Generate Random Point in a Circle | Medium |
| 486 | Predict the Winner | Medium |
| 537 | Complex Number Multiplication | Medium |
| 556 | Next Greater Element III | Medium |
| 779 | K-th Symbol in Grammar | Medium |
| 808 | Soup Servings | Medium |
| 823 | Split Array With Same Average | Hard |
| 910 | Smallest Range II | Medium |
| 920 | Number of Music Playlists | Hard |
| 1037 | Valid Boomerang | Easy |
| 1140 | Stone Game II | Medium |
| 1266 | Minimum Time Visiting All Points | Easy |
| 1359 | Count All Valid Pickup and Delivery Options | Hard |
| 1512 | Number of Good Pairs | Easy |
| 1561 | Maximum Number of Coins You Can Get | Medium |
| 1685 | Sum of Absolute Differences in a Sorted Array | Medium |
| 1688 | Count of Matches in Tournament | Easy |
| 1716 | Calculate Money in Leetcode Bank | Easy |
| 1759 | Count Number of Homogenous Substrings | Medium |
| 1814 | Count Nice Pairs in an Array | Medium |
| 1822 | Sign of the Product of an Array | Easy |
| 1884 | Egg Drop With 2 Eggs and N Floors | Medium |
| 1903 | Largest Odd Number in String | Easy |
| 2038 | Remove Colored Pieces if Both Neighbors are the Same Color | Medium |
| 2125 | Number of Laser Beams in a Bank | Medium |