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这题精度果然很猛。。。。

Posted by huzijin at 2010-12-19 15:07:18 on Problem 3155
<1>. 当容量选用double类型时:二分精度用1e-5 , 容量精度用 1e-18 

<2>. 当然也可以把容量扩大10^8倍, 化为整数最大流,然后再缩小10^8倍。

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