added code for number of islands#337
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jaygala223 wants to merge 1 commit intokeshavsingh3197:masterfrom
Open
added code for number of islands#337jaygala223 wants to merge 1 commit intokeshavsingh3197:masterfrom
jaygala223 wants to merge 1 commit intokeshavsingh3197:masterfrom
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Given an
m x n2D binary gridgridwhich represents a map of '1's (land) and '0's (water), return the number of islands.An island is surrounded by water and is formed by connecting adjacent lands horizontally or vertically. You may assume all four edges of the grid are all surrounded by water.