~~竟然用这种这种方法马扁别人来回复，太高了，%%%~~
by FCB_1899 @ 2021-02-26 16:53:10
@[pengyule](/user/300078) 链接似乎挂了
by Textbook_blasphemy @ 2021-02-26 16:57:24
@[陶（戴）佳伟](/user/328443) 我这边显示是好的诶
by pengyule @ 2021-02-26 17:10:31
链接挂了
顺便%pyl巨佬
pyl是湖北的红太阳！
by Sora1336 @ 2021-02-26 17:23:39
这题是 https://www.acwing.com/problem/content/268/
，我同学打错了
by Sora1336 @ 2021-02-26 17:26:06