摘要: #include<cstdio> #include<queue> #include<cstring> using namespace std; const int maxn=1000010; const int INF=2e9; int head[maxn],nxt[maxn],to[maxn],v 阅读全文
posted @ 2022-01-22 06:52 ZeroHzzzz 阅读(9) 评论(0) 推荐(0)