题目传送门：http://www.lydsy.com/JudgeOnline/problem.php?id=2245
这个题目有一个Trick
对于费用流，如果单位费用是一个单调不减的分段函数
那么可以每一段单独建边
至于这题的代码嘛……
不想写啦！
但如果费用不是单调不减怎么搞？
咨询YYY中…
题目传送门：http://www.lydsy.com/JudgeOnline/problem.php?id=2245
这个题目有一个Trick
对于费用流，如果单位费用是一个单调不减的分段函数
那么可以每一段单独建边
至于这题的代码嘛……
不想写啦！
但如果费用不是单调不减怎么搞？
咨询YYY中…
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