@[yyc_](/user/651786) `while(t[p].nxt[cl] == q)` 可还行
by Alex_Wei @ 2023-04-19 22:36:12
Alex_Wei 楼下！
by liaoyanxu @ 2023-04-19 22:37:00
@[Alex_Wei](/user/123294) 谢谢，可是改了也[过不去](https://www.luogu.com.cn/record/108503530) /kel
by yyc_ @ 2023-04-19 22:38:42
@[yyc_](/user/651786) 起始节点换成1试试
by Lazy_Labs @ 2023-04-19 22:45:36
@[Lazy_Labs](/user/376137) 谢谢！可惜又进入了[WA10pts](https://www.luogu.com.cn/record/108504034)....
by yyc_ @ 2023-04-19 22:48:53
@[yyc_](/user/651786)
```
int dfs(int u) {
```
没更新 ans
by phoenixzhan @ 2023-04-19 22:53:36
@[yyc_](/user/651786) ```ans = max(ans, dfs(v));```
by phoenixzhan @ 2023-04-19 22:56:01
@[yyc_](/user/651786) ```cout<<dfs(0);```
by phoenixzhan @ 2023-04-19 23:04:11
https://www.luogu.com.cn/record/108504803
by phoenixzhan @ 2023-04-19 23:04:27
@[Network_Error](/user/534654) /bx/bx/bx/bx/bx/bx/bx/bx/bx/bx/bx/bx/bx/bx/bx/bx/bx/bx/bx/bx/bx/bx/bx/bx/bx/bx/bx/bx/bx/bx/bx/bx/bx/bx/bx/bx/bx/bx/bx/bx/bx/bx/bx/bx/bx/bx/bx/bx/bx/bx/bx/bx/bx/bx
by yyc_ @ 2023-04-20 19:55:17