不正确
by 梧桐灯 @ 2019-10-15 16:08:48
spfa判负环不能用各种玄学youhua
还有，关于Spfa
>它早就死了
by 梧桐灯 @ 2019-10-15 16:09:12
@[光随影走](/space/show?uid=31193)
嗯 感谢
by abjfj @ 2019-10-15 16:21:52
@[abjfj](/space/show?uid=122591) 正确
by Merci @ 2019-10-16 17:35:07
@[abjfj](/space/show?uid=122591) 我就是双端队列判负环
by Merci @ 2019-10-16 17:35:20