Matrix Traversal (Diagonal, Valid Sudoku, etc) Problems
71 Matrix Traversal (Diagonal, Valid Sudoku, etc) problems on LeetCode, a Arrays & Hashing interview pattern, ranked by importance (how often it comes up in real interviews). Difficulty (ELO) and importance shown per problem.
| # | PROBLEM | DIFF | ELO | IMP | PATTERNS |
|---|---|---|---|---|---|
| 1 | Valid Sudoku | Easy | 1267 | 76 | Frequency Counting / Hash Map Lookup |
| 2 | Spiral Matrix | Medium | 1418 | 76 | |
| 3 | Set Matrix Zeroes | Easy | 1378 | 74 | Frequency Counting / Hash Map Lookup |
| 4 | Island Perimeter | Easy | 1076 | 68 | |
| 5 | Game of Life | Easy | 1388 | 52 | General Bit Manipulation |
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