摘要: A #include<bits/stdc++.h> using namespace std; typedef long long ll; const int MAXN = 55, MAXM = 1000; //int to[MAXM << 1], nxt[MAXM << 1], Head[MAXN] 阅读全文
posted @ 2018-11-29 16:40 Aragaki 阅读(461) 评论(0) 推荐(0) 编辑