_JF_ @ 2024-10-23 08:22:26
想问问判断无解/无数多解的具体方法是什么/kel
conner case 较多ng/ng/ng
by yukimianyan @ 2024-10-23 08:23:16
https://www.luogu.com.cn/article/zje9tupn 推荐
by kbzcz @ 2024-10-23 09:56:29
用那个比较麻烦的方法好像就可以区分了