救救孩子吧，一直输出0

P5960 【模板】差分约束

你的spfa函数 把你的 ```cpp return false; ``` 搬到循环外面 可否？ 他只是个孩子
by blank_space @ 2020-10-11 16:47:33

@[路人任](/user/235514) ![](https://img2018.cnblogs.com/blog/1685165/201907/1685165-20190718202016366-1149368128.png)
by Zxsoul @ 2020-10-11 16:50:39

![c](https://img2018.cnblogs.com/blog/1685165/201907/1685165-20190718202016366-1149368128.png)@[路人任](/user/235514)
by Zxsoul @ 2020-10-11 16:52:29

@[路人任](/user/235514) https://www.cnblogs.com/zzz-hhh/p/11200893.html
by Zxsoul @ 2020-10-11 16:52:52

~~那是因为你tcl~~
by KEBrantily @ 2020-10-11 16:56:46

@[快乐的疯烁](/user/281497) 您强！
by zimujun @ 2020-10-11 17:25:18

@[字幕君](/user/118196) 不不不牛爷爷最强 我也tcl
by KEBrantily @ 2020-10-11 17:36:32

@[快乐的疯烁](/user/281497) 自删谢谢
by zimujun @ 2020-10-11 17:42:56

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