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Matrix Interview Questions

28 Matrix problems asked across FAANG and top tech companies. Approach hints, optimal solutions, and related problems.

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Topics

Matrix 28
MatrixClear all
994.Rotting Oranges
Breadth-First SearchMatrixQueue
Medium+5β–Ά Mock
200.Number of Islands
Depth-First SearchBreadth-First SearchMatrix
Medium+7β–Ά Mock
79.Word Search
ArrayStringBacktracking
Medium+1β–Ά Mock
54.Spiral Matrix
ArrayMatrixSimulation
Medium+2β–Ά Mock
1091.Shortest Path in a Binary Matrix
ArrayBreadth-First SearchMatrix
48.Rotate Image
ArrayMathMatrix
3484.Design Spreadsheet
ArrayHash TableString
427.Construct Quad Tree
ArrayDivide and ConquerTree
348.Design Tic-Tac-Toe
ArrayHash TableDesign
289.Game of Life
ArrayMatrixSimulation
2812.Find the Safest Path in a Grid
ArrayBinary SearchBreadth-First Search
827.Making A Large Island
ArrayDepth-First SearchBreadth-First Search
74.Search a 2D Matrix
ArrayBinary SearchMatrix
73.Set Matrix Zeroes
ArrayHash TableMatrix
36.Valid Sudoku
ArrayHash TableMatrix
1970.Last Day Where You Can Still Cross
ArrayBinary SearchDepth-First Search
980.Unique Paths III
ArrayBacktrackingBit Manipulation
Word Search II
ArrayStringBacktracking
64.Minimum Path Sum
ArrayDynamic ProgrammingMatrix
240.Search a 2D Matrix II
ArrayBinary SearchDivide and Conquer
723.Candy Crush
ArrayTwo PointersMatrix
749.Contain Virus
ArrayDepth-First SearchBreadth-First Search
773.Sliding Puzzle
ArrayDynamic ProgrammingBacktracking

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