摘要: #include <bits/stdc++.h> using namespace std; const int maxn=2e5+10; const int INF=1<<30; int n,m; int head[maxn],dis[maxn],cnt; bool vis[maxn]; struc 阅读全文
posted @ 2020-10-25 17:30 wqtnb_tql_qwq_%%% 阅读(133) 评论(0) 推荐(0) 编辑