摘要：
#include<bits/stdc++.h>using namespace std;int n;int nxt[3][100007];char buff[100007];const char *seq="msc",*pat[8]={"022012","020212","002212","01202 阅读全文
摘要：
#include<bits/stdc++.h>using namespace std;int n,m;long long a=0,b=0,ans=0;char s[407][407];int vis[407][407];const int dir[4][2]={{1,0},{0,1},{-1,0}, 阅读全文