摘要: #include <iostream> #include <queue> #include <cstring> typedef long long ll; int n; const int maxn=5e3+10; struct node{ int next,to,val; }edge[maxn<< 阅读全文
posted @ 2021-04-19 16:03 Acception 阅读(42) 评论(0) 推荐(0)