发一下蒟蒻的代码..
https://www.luogu.org/record/show?rid=3942001
by SGOI_Aromyase @ 2017-10-24 20:12:10
不是过了吗
by 超威蓝猫 @ 2017-10-24 20:14:08
还用英语……
by bymlg001 @ 2017-10-27 11:37:40
@[SGOI_Ays](/space/show?uid=29610) 这样发的代码人家看不见
by Acfboy @ 2018-08-14 21:33:51