不过貌似已经有人提出了,,
by cdbbla @ 2019-08-21 21:01:48
@[管理员](/space/show?uid=78611)
by Hjcc @ 2019-08-21 21:02:42
![](https://cdn.luogu.com.cn/upload/pic/73861.png)
by Seauy @ 2019-08-21 21:09:11