Backtracking (13 completed)
| # | Title | Level | Cats | Solution | Languages | Date Complete |
|---|---|---|---|---|---|---|
| 22 | Generate Parentheses | Medium | N150 | solution | py | Jun 13, 2024 |
| 46 | Permutations | Medium | N150 | solution | py | Jun 07, 2024 |
| 77 | Combinations | Medium | solution | py | Jun 07, 2024 | |
| 78 | Subsets | Medium | N150 | solution | py | Jun 02, 2024 |
| 79 | Word Search | Medium | B75, N150 | solution | py | Jun 27, 2024 |
| 90 | Subsets II | Medium | N150 | solution | py | Jul 03, 2024 |
| 113 | Path Sum II | Medium | solution | py | Jul 03, 2024 | |
| 212 | Word Search II | Hard | B75, N150 | solution | py | Jun 27, 2024 |
| 784 | Letter Case Permutation | Medium | solution | py | Jun 14, 2024 | |
| 1087 | Brace Expansion | Medium | solution | py | Jun 14, 2024 | |
| 1239 | Maximum Length of a Concatenated String with Unique Characters | Medium | solution | py | Jun 29, 2024 | |
| 1255 | Maximum Score Words Formed by Letters | Hard | solution | py | Jun 15, 2024 | |
| 1980 | Find Unique Binary String | Medium | solution | py, c | Jun 26, 2024 |