Number of Islands (leetcode)
来源:互联网 发布:glsl 数组 编辑:程序博客网 时间:2024/05/20 03:06
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:
11110
11010
11000
00000
Answer: 1
Example 2:
11000
11000
00100
00011
Answer: 3
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直接进行深度优先遍历:
代码引用自互联网
class Solution {
public:
bool dfs(int i,int j,vector
0 0
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