所以应该叫大佬汉子求助【狗头】
by gongcharlie @ 2020-01-30 21:47:04
`鉴定完毕，不是妹子`
by zimujun @ 2020-01-30 21:47:06
orz 神Meatherm
by SisconHL @ 2020-01-30 21:48:04
@[hepta_lhd](/user/182691) /kel 您帮我康康罢
by Meatherm @ 2020-01-30 21:49:57
@[Meatherm](/user/108949) 又小又强 我再也比不过ta了
by zimujun @ 2020-01-30 21:50:59
窝不会（大哭
by SisconHL @ 2020-01-30 21:52:29
@[Meatherm](/user/108949) 您这个是假的算法吧，要去掉子树内的情况
by Register @ 2020-01-30 21:53:27
神Meatherm
by 茅场晶彦 @ 2020-01-30 21:55:21
@[songhaoran](/user/80679) % 神仙 shr
我在 `work()` 里面写了的吧，还是说我写假了？
```cpp
void work(int i){
use[i]=true;
calc(i,0,1);
for(rr int j=head[i];j;j=edge[j].next){
if(use[edge[j].to])
continue;
calc(edge[j].to,edge[j].v,-1);// 这里
root=0,tot=size[edge[j].to];
getroot(edge[j].to,0);
work(root);
}
return;
}
```
by Meatherm @ 2020-01-30 21:57:00
~~不是袜子，走了走了~~
by SSerxhs @ 2020-01-30 21:57:29