Matrix

250 LeetCode questions

Difficulty Distribution

Easy
36
14%
Medium
151
60%
Hard
63
25%

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Questions

TitleDifficulty
Number of IslandsMedium
Rotate ImageMedium
Spiral MatrixMedium
01 MatrixMedium
Maximum Number of Moves in a GridMedium
Word SearchMedium
Game of LifeMedium
Rotting OrangesMedium
Search a 2D MatrixMedium
Number of Increasing Paths in a GridHard
Longest Increasing Path in a MatrixHard
Shortest Path in a Grid with Obstacles EliminationHard
Surrounded RegionsMedium
Increment Submatrices by OneMedium
Shortest Path to Get All KeysHard
Pacific Atlantic Water FlowMedium
Spiral Matrix IIMedium
Max Area of IslandMedium
Unique Paths IIMedium
Design Excel Sum FormulaHard
Sliding PuzzleHard
Design Tic-Tac-ToeMedium
Word Search IIHard
Minimum Number of Flips to Convert Binary Matrix to Zero MatrixHard
Maximal SquareMedium
Shortest Path in Binary MatrixMedium
Making A Large IslandHard
Cherry PickupHard
Search a 2D Matrix IIMedium
Find Missing and Repeated ValuesEasy
Set Matrix ZeroesMedium
Cherry Pickup IIHard
Flood FillEasy
Valid SudokuMedium
Dungeon GameHard
Maximum Score From Grid OperationsHard
First Completely Painted Row or ColumnMedium
Maximal RectangleHard
Detect Cycles in 2D GridMedium
Minimum Operations to Make a Uni-Value GridMedium
Rotating the BoxMedium
Maximum Sum With at Most K ElementsMedium
Minimum Path SumMedium
Range Sum Query 2D - ImmutableMedium
Minimum Falling Path SumMedium
Reshape the MatrixEasy
Score After Flipping MatrixMedium
Sudoku SolverHard
Magic Squares In GridMedium
Count Square Submatrices with All OnesMedium
Maximum Matrix SumMedium
Count Negative Numbers in a Sorted MatrixEasy
Maximum Side Length of a Square with Sum Less than or Equal to ThresholdMedium
Battleships in a BoardMedium
Matrix Diagonal SumEasy
Largest Submatrix With RearrangementsMedium
Maximum Amount of Money Robot Can EarnMedium
Trapping Rain Water IIHard
Find a Peak Element IIMedium
Minimum Cost Path with TeleportationsHard
Max Sum of Rectangle No Larger Than KHard
Largest Magic SquareMedium
As Far from Land as PossibleMedium
Island PerimeterEasy
Maximum Non Negative Product in a MatrixMedium
Count Submatrices With Equal Frequency of X and YMedium
Matrix Similarity After Cyclic ShiftsEasy
Determine Whether Matrix Can Be Obtained By RotationEasy
Cyclically Rotating a GridMedium
Walls and GatesMedium
Unique Paths IIIHard
Snakes and LaddersMedium
Diagonal TraverseMedium
Kth Smallest Element in a Sorted MatrixMedium
Number of Distinct IslandsMedium
Length of Longest V-Shaped Diagonal SegmentHard
Row With Maximum OnesEasy
Swim in Rising WaterHard
Transpose MatrixEasy
Shortest BridgeMedium
Path With Minimum EffortMedium
Count Servers that CommunicateMedium
Nearest Exit from Entrance in MazeMedium
Find Winner on a Tic Tac Toe GameEasy
Find the Minimum Area to Cover All Ones IIHard
Image SmootherEasy
Largest 1-Bordered SquareMedium
Regions Cut By SlashesMedium
Shortest Distance from All BuildingsHard
Find the Minimum Area to Cover All Ones IMedium
Construct Quad TreeMedium
MinesweeperMedium
Number of Distinct Islands IIHard
Valid Tic-Tac-Toe StateMedium
Map of Highest PeakMedium
Last Day Where You Can Still CrossHard
The K Weakest Rows in a MatrixEasy
Richest Customer WealthEasy
Escape the Spreading FireHard
Path With Maximum Minimum ValueMedium

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