Practice problems across 75+ categories
Practice problems frequently asked at Matrix • 260 problems | 38 Easy | 152 Medium | 68 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 1 | 01 Matrix | Medium | ArrayDynamic ProgrammingBreadth-First Search |
| 2 | As Far from Land as Possible | Medium | ArrayDynamic ProgrammingBreadth-First Search |
| 3 | Available Captures for Rook | Easy | ArrayMatrixSimulation |
| 4 | Battleships in a Board | Medium | ArrayDepth-First SearchMatrix |
| 5 | Best Meeting Point | Hard | ArrayMathSorting |
| 6 | Bomb Enemy | Medium | ArrayDynamic ProgrammingMatrix |
| 7 | Bricks Falling When Hit | Hard | ArrayUnion FindMatrix |
| 8 | Build a Matrix With Conditions | Hard | ArrayGraphTopological Sort |
| 9 | Candy Crush | Medium | ArrayTwo PointersMatrix |
| 10 | Cat and Mouse II | Hard | ArrayMathDynamic Programming |
| 11 | Check if Every Row and Column Contains All Numbers | Easy | ArrayHash TableMatrix |
| 12 | Check if Grid Satisfies Conditions | Easy | ArrayMatrix |
| 13 | Check if Matrix Is X-Matrix | Easy | ArrayMatrix |
| 14 | Check if Move is Legal | Medium | ArrayMatrixEnumeration |
| 15 | Check if There is a Path With Equal Number of 0's And 1's | Medium | ArrayDynamic ProgrammingMatrix |
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