哇一本通这种东西你也敢全信
一堆错
by michael_song @ 2020-02-18 18:46:49
@[_Wolverine](/user/120362) `find2`函数写错了
by andyli @ 2020-02-18 18:48:33
@[_Wolverine](/user/120362) 您再仔细看一下书
by andyli @ 2020-02-18 18:48:52
@[andyli](/user/84282) 好的谢谢我看一下
by Priori_Incantatem @ 2020-02-18 18:55:32
少些了个 $k$ QwQ
by Priori_Incantatem @ 2020-02-18 18:56:21
tql%%%
by __ykl @ 2020-02-18 21:13:17
@[andyli](/user/84282)
AC了，感谢您的帮助
by Priori_Incantatem @ 2020-02-19 09:59:02
@[刘开予2019](/user/172763) 大佬来fAKe了
by Priori_Incantatem @ 2020-02-19 09:59:31
萌新 == 学treap？？
真正的蒟蒻瑟瑟发抖
by Suuon_Kanderu @ 2020-02-20 12:39:27