https://www.luogu.org/problem/show?pid=1838
怕不是瞎了
by user48442 @ 2017-09-12 22:18:24
他就像他的头像一样
by KillerXu @ 2017-09-17 19:05:20
真能……
by damage @ 2017-10-01 17:24:41
你牛
by fondness_zzy @ 2017-10-14 18:06:29
眼瞎，自己去找，绝对找得到
by 无欢 @ 2017-10-21 15:26:04
题号1838
by 显微镜 @ 2017-11-26 10:32:27
楼主，orz
by TianZ @ 2018-05-08 12:28:42