摘要: #include<bits/stdc++.h> using namespace std; const int maxn = 1e5 + 10; vector<int> G[maxn]; int DFN[maxn], LOW[maxn], index, cnt; int ans[maxn], belo 阅读全文
posted @ 2019-08-13 10:53 Hazelxcf 阅读(99) 评论(0) 推荐(0)