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关于flyd

Posted by ssadwlll at 2008-07-19 16:08:50 on Problem 1125 
题目是说让所有人知道的最短时间吧，flyd算法只是求每对人之间传播的最短时间，这个路径上并不一定包含所有人吧，那为什么flyd后枚举一下就可以了呢？还是我题目意思理解错了啊？
真切渴望高人指点
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