| No. | Title | Mark |
|---|---|---|
| 36 | Valid Sudoku | template |
| 37 | Sudoku Solver | hot |
| 48 | Rotate Image | template |
| 54 | Spiral Matrix | template |
| 63 | Unique Paths II | |
| 64 | Minimum Path Sum | |
| 74 | Search a 2D Matrix | |
| 79 | Word Search | |
| 85 | Maximal Rectangle | |
| 130 | Surrounded Regions | |
| 174 | Dungeon Game | |
| 200 | Number of Islands | |
| 212 | Word Search II | |
| 221 | Maximal Square | |
| 304 | Range Sum Query 2D - Immutable | |
| 363 | Max Sum of Rectangle No Larger Than K | |
| 529 | Minesweeper | |
| 542 | 01 Matrix | |
| 733 | Flood Fill | |
| 931 | Minimum Falling Path Sum | |
| 1277 | Count Square Submatrices with All Ones | |
| 1143 | Find Smallest Common Element in All Rows |