没有吧....这题用了边成对变换的技巧
by Arashi丶 @ 2018-10-22 14:05:28
https://www.luogu.org/team/show?teamid=10012 99%的人会点的链接
by 一个聪明的人 @ 2018-10-22 14:06:49
上面。。。宣传团队？
@[chen_zhe](/space/show?uid=8457)
by zerrun @ 2018-10-22 14:09:49
有人宣传团队耶@[kkksc03](/space/show?uid=1)
by 长河落日 @ 2018-10-22 14:12:42
因为你求反向边要用num^1啊 必须从0(或者2)开始编号才行
by Patrickpwq @ 2018-10-22 14:13:44
先去搞明白怎么获得反向边把吧
by ysj1173886760 @ 2018-10-22 14:33:16
今日笑话emm
by ButterflyDew @ 2018-10-22 14:41:26
禁的好快吖（
by Burnside @ 2018-10-22 14:42:10
钩直饵咸
by wjyyy @ 2018-10-22 14:42:12
emmm....洛谷执~~fa~~法力度好强
by 凉白开27du @ 2018-10-22 14:45:49