摘要: #include <iostream> #include <cstdio> #include <cstring> #include <queue> using namespace std; const int maxn=5e5+10; struct node { int en; int vis[26 阅读全文
posted @ 2019-07-31 15:57 wyhbadly 阅读(263) 评论(0) 推荐(0)