Given a 2d grid map of 1s (land) and 0s (water), count the number of islands. An island is surrounded by water and is formed by connecti ...
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.Example 1:11110110101100000000Answer: 1Example 2:11000110000010000011Answer: 3
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原标题：Leetcode: Number of Islands
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