<https://www.luogu.com.cn/paste/c47on8px>
by jqQt0220 @ 2024-04-12 21:11:06
https://www.luogu.com.cn/paste/sldp48ax
by Adchory @ 2024-04-12 21:12:08
感谢两位dalaoqwq
by Lovley_Doggie @ 2024-04-12 21:22:22
[洛谷的](https://www.luogu.com/discuss/11410)
[还有这个帖子](https://lglg.top/758272)
by yitian_ @ 2024-04-12 22:36:45
@[Lovley_Doggie](/user/626836) 哦，我忘记at lz了
失策
by yitian_ @ 2024-04-13 17:31:42