@[asasas](/user/261417)
```cpp
if (depth[x]<depth[y]) swap(x,y);
```
改成
```cpp
if (depth[top[x]]<depth[top[y]]) swap(x,y);
```
by Sharing666 @ 2022-07-13 07:26:19
两个函数都要改
by Sharing666 @ 2022-07-13 07:27:46
你过了啊那没事了 /lh
by Sharing666 @ 2022-07-13 07:30:49
@[Sharing666](/user/394991) thx
by asasas @ 2022-07-13 13:52:51