dfs1里，
`fa[x]=father`?
by EdisonBa @ 2021-07-08 21:41:01
@[EdisonBa](/user/355844) No，还是20
by EdisonBa @ 2021-07-08 21:42:50
谢谢大佬抽空看我的代码
@[EdisonBa](/user/355844)
by White_gugu @ 2021-07-08 21:45:01
为什么你的代码用C++11编译不过?
by Liuyuzhuo @ 2021-07-08 21:54:11
两个dfs()没炸
可能lca()出了问题
放学了，我先爬了（
by EdisonBa @ 2021-07-08 21:54:38
@[Liuyuzhuo](/user/221575) 把 `size` 换成 `siz`
如果还有报错的就类似改改变量名就行
by EdisonBa @ 2021-07-08 21:55:09
@[too_lazy](/user/315005)
by EdisonBa @ 2021-07-08 21:55:27
我试试@[EdisonBa](/user/355844)
by White_gugu @ 2021-07-08 21:56:19
你的tree里存的什么，为什么直接与tag相加？
by Liuyuzhuo @ 2021-07-08 22:11:40
可能是我傻逼了
by Liuyuzhuo @ 2021-07-08 22:12:49