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Re:枚举么……我以为是要解一堆不等式……同问In Reply To:枚举么……我以为是要解一堆不等式……同问 Posted by:RoBa at 2006-03-17 12:28:41 对于没有确定含量的成分,随便取一个值,然后让其他成分含量尽可能取小,得最小 含量和min,然后尽可能取大,得最大含量和max,如果min<=100<=max,说明假定的值 是可以达到的,如此,就能求出一个范围. 求出每种成分的最大最小值后,再求可能含X最多的产品就简单了,枚举就行 Followed by:
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