回复的NOIP2018都能AK
by p9t6g @ 2018-09-25 19:44:39
@[c201908](/space/show?uid=23771)
你得用线性基来维护，然后在进行dfs
by RiverFun @ 2018-09-25 19:45:08
@[c201908](/space/show?uid=23771) 回复你
by ___I_AK_IOI @ 2018-09-25 19:45:20
@[c201908](/space/show?uid=23771) 没做过这道题表示
by ___I_AK_IOI @ 2018-09-25 19:45:48
@[Steve_braveman](/space/show?uid=96570) 我连模板线性基都没过（并不知道线性基是啥）
by ___I_AK_IOI @ 2018-09-25 19:46:19
@[白哥小葱](/space/show?uid=54520)
[线性基](https://oi.men.ci/linear-basis-notes/)
by RiverFun @ 2018-09-25 19:47:43
@[Steve_braveman](/space/show?uid=96570) 我初二没学过集合QWQ
by ___I_AK_IOI @ 2018-09-25 20:02:47
@[白哥小葱](/space/show?uid=54520)
初二dalao，真强
by Wisbtsml @ 2018-09-25 20:27:47
所以默默说一句：线性基是什么鬼，我是真的菜
by p9t6g @ 2018-09-26 19:48:29
回复
by HHCY @ 2019-04-10 18:20:39