只是 return f[x] = zhao(f[x]);
by ChthollyTree @ 2017-08-22 14:33:30
@[zhangqinghan](/space/show?uid=17850)
1000005?你开那么大干嘛？题目不是说不大于100000么？
by wwz20050323 @ 2017-08-22 14:33:53
题目有bug——见题解
by ChthollyTree @ 2017-08-22 14:36:26
@[zhangqinghan](/space/show?uid=17850)
你去掉一半试试！
by wwz20050323 @ 2017-08-22 14:38:22
```cpp
@[wwz20050323](/space/show?uid=42422)
int zhao(int x)
{
if(f[x] == x)
return x;
else
return f[x] = zhao(x);
}
因为智商不足，并查集写错了 return f[x] = zhao(x);，总之已经AC了
```
by ChthollyTree @ 2017-08-22 14:44:50