割边是指桥吗
by watermonster @ 2020-10-26 16:25:53
炸铁路，纯模板
by panyf @ 2020-10-26 16:26:23
@[LSG_watermonster](/user/209454)
没错
by 微分几何 @ 2020-10-26 16:27:02
@[panyf](/user/221955) 谢谢
by 微分几何 @ 2020-10-26 16:27:55
[P2860](https://www.luogu.com.cn/problem/P2860)
by watermonster @ 2020-10-26 16:27:58