测评记录 [这里](https://www.luogu.com.cn/record/117189922)
by 名字好难取144 @ 2023-07-24 14:41:46
@[名字好难取144](/user/433518) tarjan里头不对，第 56,57 行应该为
```cpp
if(!dfn[v]) {tarjan(v);low[u]=min(low[u],low[v]);}
else if(vis[v]) low[u]=min(low[u],low[v]);
```
by LgxTpre @ 2023-07-24 14:56:20
@[LgxTpre](/user/66709) AC了，感谢大佬
by 名字好难取144 @ 2023-07-24 15:02:41