链接
https://www.luogu.com.cn/record/85409449
by Abmcar @ 2022-08-29 10:36:21
正确的，我全输出-1得0分
by Elaina_ @ 2022-11-08 16:55:18
@[Abmcar](/user/54356) 相反，这说明数据很强，骗不到分（
by felixesintot @ 2023-08-31 22:02:52
~~总司令他死了~~
by xuhaotian @ 2023-10-16 10:46:42