禁止qp（
by Justin090102 @ 2022-01-25 19:24:25
让我看看有几个稀硝酸发qp
by 听取MLE声一片 @ 2022-01-25 19:26:27
借楼求修一下 [这题](https://www.luogu.com.cn/problem/P6718)，讨论区有spj了
by xzggzh1 @ 2022-01-25 19:26:39
@[StudyingFather](/user/22030)
by xzggzh1 @ 2022-01-25 19:26:48
@[StudyingFather](/user/22030) 能不能顺便修下这题数据？讨论底下有。https://www.luogu.com.cn/discuss/368892
by Tokido_saya @ 2022-01-25 19:31:03
谁发qp谁是****
by 小杨小小杨 @ 2022-01-25 19:35:50
`char opt` 的问题吧
by Jerrlee✅ @ 2022-01-25 19:36:47