| 229 | Majority Element II | Medium |
| 383 | Ransom Note | Easy |
| 387 | First Unique Character in a String | Easy |
| 1341 | Split a String in Balanced Strings | Easy |
| 1347 | Minimum Number of Steps to Make Two Strings Anagram | Medium |
| 1481 | Least Number of Unique Integers after K Removals | Medium |
| 1512 | Number of Good Pairs | Easy |
| 1704 | Determine if String Halves Are Alike | Easy |
| 1790 | Check if One String Swap Can Make Strings Equal | Easy |
| 1814 | Count Nice Pairs in an Array | Medium |
| 1897 | Redistribute Characters to Make All Strings Equal | Easy |
| 2244 | Minimum Rounds to Complete All Tasks | Medium |
| 2870 | Minimum Number of Operations to Make Array Empty | Medium |