200. Number of Islands #51
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zwfang
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## master #51 +/- ##
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+ Coverage 99.39% 99.4% +0.01%
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Files 91 92 +1
Lines 1627 1651 +24
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+ Hits 1617 1641 +24
Misses 6 6
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https://leetcode.com/problems/number-of-islands/
Given a 2d grid map of '1's (land) and '0's (water), count 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.