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[数论] 绝对值,最值

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lrh2006 posted 2019-11-7 20:13 |Read mode
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请大家指教,这个问题怎么做,谢谢啦

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色k posted 2019-11-7 23:52
a*b*c=max{a, b+c}

但是有个事要先搞清楚:倒数第2个数有没有打错?

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original poster lrh2006 posted 2019-11-9 17:19
回复 2# 色k

kk的眼睛真亮哈,都是16呐
问5个结果之和的最大值呢

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kuing posted 2019-11-9 20:35
希望它最大,当然就是让结果是所有正的数之和最好了,于是你只要举出这样的一种分组方式即可,比如
-7/16 * 8/16 * 9/16
-6/16 * 10/16 * 11/16
-5/16 * 12/16 * 13/16
14/15 * -4/16 * -3/16
15/16 * -2/16 * -1/16

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original poster lrh2006 posted 2019-11-10 18:30
回复 4# kuing

嗯嗯,知道了,怕自己有什么没想到的,所以再向K神确认一下,嘿嘿。话说怎么每次都会被你挑出毛病,哎。。。

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