> $N,M \leq 10^5$ 请看数据 @[Brandon鹏](/space/show?uid=86154)
by arfa @ 2018-10-27 09:36:20
@[arfa](/space/show?uid=77760) 嗯，但是我还是没有想通为什么暴力这么快
by Brandon鹏 @ 2018-10-27 09:37:46
@[arfa](/space/show?uid=77760) 数据范围过于真实
by Brandon鹏 @ 2018-10-27 09:38:06
> 它们是线性当然快啦
by arfa @ 2018-10-27 09:38:19
关于spfa
by Fading @ 2018-10-27 09:56:54
它
by lqhsr @ 2018-10-30 20:14:48
死
by lqhsr @ 2018-10-30 20:14:53
啦！！！
by lqhsr @ 2018-10-30 20:15:01
~~@ spfa~~
by Juanzhang @ 2018-11-05 19:26:25
@[spfa](/space/show?uid=149462)
by _扶笙_ @ 2019-04-06 10:42:44