@[sssvip](/user/654537) 题中只是x和y，不判断两个x和两个y的积就能AC
by meifan666 @ 2024-07-21 22:05:40
@[meifan666](/user/1284088) 求关
by meifan666 @ 2024-07-21 22:08:00
ok,稍等，我改改，谢谢 @[meifan666](/user/1284088)
by sssvip @ 2024-07-21 22:08:33
@[meifan666](/user/1284088) 已关注，[已过](https://www.luogu.com.cn/record/167656528),感谢大佬，膜拜膜拜
by sssvip @ 2024-07-21 22:12:08