谁给你的自信，杜教么？
by Victorique @ 2018-11-06 15:54:57
@[谎言君_liar](/space/show?uid=56332) ~~n方过50w~~
by Itst @ 2018-11-06 15:55:51
AC???!!!
by Everlasting_Snow @ 2018-11-06 15:57:52
你见过NOIp什么时候又考纲了吗？
by L1ttel_Y @ 2018-11-06 16:01:21
5e5就算没log也过不了吧qwq
by Qingyu @ 2018-11-06 16:05:29
~~N方过百万~~
by Juanzhang @ 2018-11-06 16:10:47
r=1000是什么操作
by GhostCai @ 2018-11-06 16:11:45
@[fengsongquan](/space/show?uid=61683) 当然随便AC
by 谎言君_liar @ 2018-11-06 16:53:55
@[GhostCai](/space/show?uid=13856) 赌定答案不大的低级操作
by 谎言君_liar @ 2018-11-06 16:54:52
[](https://www.luogu.org/problemnew/show/P3957)ac
by 谎言君_liar @ 2018-11-06 16:56:36