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DD的USACO征程

USACO未灭，何以家为？

Telecowmunication

Wednesday, 4. April 2007, 04:26:03

,

拆点构图。求网络流。然后就是一个一个删点看流的值是否减小1。
要注意每次求完网络流都会把图破坏掉。所以要重新构图。
telecow.cpp

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