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Matrix

Matrix/2D array problems

Longest Increasing Path in a Matrix
Dynamic Programming · Graph ·
Hard
Minimum Path Sum
Array · Dynamic Programming ·
Medium
Number of Islands
Array · Breadth-First Search · Depth-First Search · Union Find
Medium
Rotate Image
Array · Math ·
Medium
Rotting Oranges
Graph ·
Medium
Search a Sorted 2D Matrix
Binary Search ·
Medium
Set Matrix Zeroes
Array · Hash Table ·
Medium
Spiral Matrix
Array ·
Medium