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你俯视一下整个蛋糕,侧面不计,是不是一个底面面积啊 :)

Posted by aoxboxcox at 2009-11-18 17:44:53 on Problem 1190 and last updated at 2009-11-18 17:45:25
In Reply To:我搞不清是我理解错了还是这道题目有问题。希望相关人员关注一下。 Posted by:baicaitest at 2009-09-25 19:21:05
RT

> “我们希望蛋糕外表面(最下一层的下底面除外)的面积Q最小”
> 
> 某个帖子中:
> :> 不知道我是否把题理解错了,我算不出68,只能得到74,但是我感觉思路没错。而且我也手动找过数
> :据,但是没算得68。
> 
> :下面一层r=4,h=6
> :上面一层r=2,h=1
> 
> :结果为4×4+2×4×6+2×2×1=68.
>       ~~~这个计算的不正是下底面吗?
> 
> 事实上,我看到很多代码,第一次搜索传递出去的s参数都是“底面面积+最下层的侧面面积”,并且这些代码是ac的。我很无语。

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