你撤回没改深度？
by momentous @ 2021-11-12 16:57:17
@[401rk8](/user/236866)
by momentous @ 2021-11-12 16:57:25
@[SAMSans](/user/42714) 改了呀
```cpp
dep[tp.u][tp.c] = tp.dep;
```
by 401rk8 @ 2021-11-12 17:11:23
看错了/kk
by momentous @ 2021-11-12 17:25:27
@[401rk8](/user/236866) 因为您按dep合并比按siz合并多push一个元素，所以越界了
by Chase_For_Death @ 2022-01-29 18:23:06
@[401rk8](/user/236866) 栈开小了，[AC](https://codeforces.com/contest/576/submission/144408267)
by Chase_For_Death @ 2022-01-29 18:24:53
@[x_push_oier](/user/397842) 谢谢您 Orz
by 401rk8 @ 2022-01-29 20:16:14