题目：样例输入：45WRWRWBWRWBWRWRWRWBWR样例输出11代码：#include<iostream>usingnamespacestd;#defineM10005intans;charsa[50][50];intmin1=9999;intmain(){intn,m;cin>>n>>m;for(inti=1;i<=n;i++){f