by RedLycoris @ 2021-08-10 21:29:58
`fa[b]=a;` → `fa[findfa(b)]=findfa(a);`
by rui_er @ 2021-08-10 21:30:06
@[蒟蒻小白orz](/user/275748) 希望有巨佬看看
by Comintern @ 2021-08-10 21:30:17
`fa[findfa(b)]=findfa(a);`
by Wu_while @ 2021-08-10 21:31:16
@[蒟蒻小白orz](/user/275748)
by Wu_while @ 2021-08-10 21:31:56
by RedreamMer @ 2021-08-10 21:33:05
什么玩意
by 听取MLE声一片 @ 2021-08-10 21:33:59
你合并炸了，应该是把a的树根并到b去，你这样写只并了以fa[b]为根的子树，再往上都没并
by Nopain @ 2021-08-10 21:34:35
@[rui_er](/user/122461) 谢谢（＾∀＾●）ﾉｼ
by Comintern @ 2021-08-10 21:34:41
by BotDand @ 2021-08-10 21:34:52