| 1. Two Sum | 1 | Q | S1 | S2 | - |
| Problem Statement | Tag | Question | Solution | Solution2 | Parent Problem |
|---|---|---|---|---|---|
| 0_Backtracking_Sheet | 0 | Q | S1 | S2 | - |
| Problem Statement | Tag | Question | Solution | Solution2 | Parent Problem |
|---|---|---|---|---|---|
| 37. Sudoku Solver | 1 | Q | S1 | S2 | - |
| 6000. Subset Sums | 1 | Q | S1 | S2 | - |
| 78. Subsets | 1 | Q | S1 | S2 | 6000 |
| 90. Subsets II | 1 | Q | S1 | S2 | 78 |
| 39. Combination Sum | 1 | Q | S1 | S2 | - |
| 40. Combination Sum II | 1 | Q | S1 | S2 | 39 |
| 216. Combination Sum III | 1 | Q | S1 | S2 | 40 |
| 131. Palindrome Partitioning* | 1 | Q | S1 | S2 | - |
| 46. Permutations | 1 | Q | S1 | S2 | - |
| Problem Statement | Tag | Question | Solution | Solution2 | Parent Problem |
|---|---|---|---|---|---|
| 79. Word Search | 1 | Q | S1 | S2 | - |
| 22. Generate Parentheses | 1 | Q | S1 | S2 | - |
| 7. Letter Combinations of a Phone Number | 1 | Q | S1 | S2 | - |