@[lunjiahao](/user/779970)
```cpp
ans+=query(1,1,n,hs[w[u]],w[u]);
```
查询重链写错了吧
```cpp
ans+=query(1,1,n,w[top[u]],w[u]);
```
by g1ove @ 2024-02-29 11:46:10
@[g1ove](/user/638537)
已过谢谢大佬orz
by lunjiahao @ 2024-02-29 16:17:05