[https://www.luogu.org/recordnew/show/20222165](https://www.luogu.org/recordnew/show/20222165)
by WOWHandsome @ 2019-07-02 15:40:25
@[_Baoyh_](/space/show?uid=101855) 数组越界问题 ...
by aminoas @ 2019-07-02 15:45:33
@[QwQ自动机](/space/show?uid=143834) 加上判定的话，测试点#2还是过不去的。。。
by WOWHandsome @ 2019-07-02 15:50:47
by WOWHandsome @ 2019-07-02 15:52:40
@[_Baoyh_](/space/show?uid=101855) 你怎么判断的 ...
by aminoas @ 2019-07-02 15:53:34
(你把判断放在哪一行?)
by aminoas @ 2019-07-02 15:54:24
by WOWHandsome @ 2019-07-02 16:02:45
@[QwQ自动机](/space/show?uid=143834)
by WOWHandsome @ 2019-07-02 16:05:09
# 已AC
by WOWHandsome @ 2019-07-02 16:18:02