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这题不知用什么算法，过了的说一下．这题数据好像有点弱，把循环次数从N改为10*N就过了

Posted by windbells at 2004-09-30 15:25:13 on Problem 1860

Followed by:

Bellman-Ford，求一次最短路，再判一次负环就可以了 (1) xiaomi 2004-09-30 16:31:08
- 我用bellman-ford做了，但是总是WA，考虑了v=0的情况。faint中…… (5) stars 2005-03-22 22:51:15
  - 我的代码~~!! (992) stars 2005-03-22 22:55:14
  - 发现一个问题，没判断能否返回s，不过改了还是WA。继续ft (0) stars 2005-03-23 22:45:57
    - Re:发现一个问题，没判断能否返回s，不过改了还是WA。继续ft (62) tanghaibao 2008-12-14 10:53:07

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