摘要： 题目描述：DescriptionDue to recent rains, water has pooled in various places in Farmer John's field, which is represented by a rectangle of N x M (1 2 char map[100][100]; 3 int n,m; 4 void dfs(int i,int j); 5 int main() 6 { 7 using namespace std; 8 //int n,m; 9 int sum = 0;10 cin >> n >>. 阅读全文