？？？
by rui_er @ 2023-10-24 07:46:39
SPFA+栈不是深搜吗？？？？
by opHJY2023 @ 2023-10-24 07:48:56
丢到私题里，私题数据比这个强
by fjy666 @ 2023-10-24 07:50:07
哎呀，过了
by fjy666 @ 2023-10-24 07:52:55
不对你在干什么，你缩点都成 DAG 了还跑 spfa。本质上就是把正解的拓扑排序换成 spfa 了。
by fjy666 @ 2023-10-24 07:54:12
？？？
by Eznibuil @ 2023-10-24 09:11:06