楼上小宇___home

题目链接Problem DescriptionThere is a rectangular room, covered with square tiles. Each tile is colored either red or black. A man is standing on a black tile. From a tile, he can move to one of f

题目链接#include#includeusing namespace std;#define N 100char map[N][N];int w, h;int dfs(int i, int j){ if (i >= 0 && i = 0 && j < w) { if (map[i][j] == '#') {