@[JustBecause](/user/129934) 如果你写的是正解，好像这个无伤大雅
by w18980077022 @ 2022-10-02 22:10:52
应该是错了
by Alex_Zhou @ 2022-10-20 18:48:35
[@StudyingFather](https://www.luogu.com.cn/user/22030)
by Alex_Zhou @ 2022-10-20 18:50:43