@[Rainsheeep](/user/666796)
把这
```cpp
inline void merge(int x,int y)
{
f[x]=y;
return ;
}
```
改成这样就行了
```cpp
inline void merge(int x,int y)
{
f[find(x)]=find(y);
return ;
}
```
by 柳下惠 @ 2022-06-23 23:16:48
@[柳下惠](/user/539747) 感谢您的指错
by Rainsleep @ 2022-06-24 18:55:25