| Problem | Solution | Used |
|---|---|---|
| 2545. Sort the Students by Their Kth Score | SortTheStudents | Insertion Sort |
| 17. Letter Combinations of a Phone Number | LetterCombinations | HashMap, ArrayList |
| 49. Group Anagrams | GroupAnagrams | HashMap, ArrayList, List |
| 71. Simplify Path | SimplifyPath | Stack, Array |
| 682. Baseball Game | Baseball Game | Stack |
| 3Sum | 3Sum | 2Pointers, List |