[这里](https://www.luogu.com.cn/problemnew/show/P1941)
by zyk7 @ 2020-08-03 19:22:19
题单直接搜思维题
by OceanLiu @ 2020-08-03 19:28:06
AtCoder 上几乎全是
by x义x @ 2020-08-03 19:29:42
~~小凯的疑惑~~
by konjacq @ 2020-08-03 19:30:07
@[x义x](/user/58567) 我觉得AT没有啊，CF才是智力题网站(
by Cheng、熙® @ 2020-08-03 19:30:16
@[Cheng、熙®](/user/125359) CF 已经被构造完全占领了（悲
by x义x @ 2020-08-03 19:31:58
AGC
by Yuanchenpu @ 2020-08-03 19:54:35
@[Cheng、熙®](/user/125359) ？？？
你 AGC 阿克了？
by hellomath @ 2020-08-03 21:54:22
@[DarthVictor](/user/239287) [猪国杀（逃）](https://www.luogu.com.cn/problem/P2482)
by XCD_OIworld_rookie @ 2020-08-04 09:08:07
P2041
by Perfonster @ 2020-08-05 08:25:05