fa[N][2]……
by gyyyyx @ 2022-12-11 13:01:06
```
int d[N],dep[N],fa[N][2];
```
应该是 ```fa[N][21]``` 吧
by gyyyyx @ 2022-12-11 13:01:42
@[gyyyyx](/user/554574)
是,我早上就调出来了,thx。
**~~和个智障似的~~**
by _JF_ @ 2022-12-11 17:15:46