@[zkqtxdy](/user/341373)
```
inline void add(re ll u,re ll v,re ll d)
{
e[++tot].from=u,e[tot].to=v,e[tot].dis=d,e[tot].nxt=head[u],head[u]=tot;
e[++tot].from=v,e[tot].to=u,e[tot].dis=d,e[tot].nxt=head[v],head[v]=tot;
return;
}
```
你的反边……
by Rui_R @ 2021-01-07 19:25:00
@[Rui_R](/user/101984) az...已经过了谢谢大佬.../fad
怎么也想不到建图错了...
by Autofreeze @ 2021-01-07 19:26:51