你是懂 https://www.luogu.com.cn/discuss/115551 的
by Sprague_Garundy @ 2023-02-25 18:57:50
啥玩意，为啥我没看懂/kk
by AC_CSP @ 2023-02-25 19:14:58
你是懂标题的艺术的
by cff_0102 @ 2023-02-25 19:53:26
@[Sprague_Garundy](/user/764746)
https://www.bilibili.com/video/BV16M4y157b3/
by 48WangYanJi @ 2023-02-25 20:12:08
已过，还是谢谢大家([代码](https://www.luogu.com.cn/paste/n0mszp1k))
by 48WangYanJi @ 2023-02-25 20:34:14