摘要： 1 #include <iostream> 2 #include <queue> 3 #define inf 0x7ffffff 4 using namespace std; 5 char map[203][203]; 6 int visit[203][203]; 7 int n, m, di, dj; 8 int dir[4][2] = {{1, 0},{-1, 0},{0, 1},{0, -1}}; 9 struct node10 {11 int i, j;12 int cnt;13 int f;14 };15 bool check(node s)16 {17 .. 阅读全文