![](https://cdn.luogu.com.cn/upload/pic/1246.png)
by shadow__ @ 2018-02-04 16:25:31
@[chen_zhe](/space/show?uid=8457) 烦请管理员加一下数据范围
by ysner @ 2018-02-09 15:06:50
@[燕山楠](/space/show?uid=21534) added
by chen_zhe @ 2018-02-09 18:17:27