@[Acoipp](/user/674469) @[Mine_King](/user/195331) @[Kevin090228](/user/172020)
by Huge_Brain @ 2023-10-07 15:21:48
[题解](https://www.luogu.com.cn/blog/pengzy/solution-p2567)
by Huge_Brain @ 2023-10-07 15:23:31