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Re:这个明显是可以证明的!

Posted by wenxiao1992 at 2010-04-17 22:07:26 on Problem 1013
In Reply To:这个明显是可以证明的! Posted by:my_echo at 2009-11-30 18:10:01
> 证明一下思路:
> 
> 如果是EVEN,那么出现的硬币每个都是好的。
> 
> 我们假设两个等价类。HEAVY和LIGHT。
> 
> 每次称重,就往等价类里面添加元素。
> 
> 最后对等价类里的元素进行合并,去值最大的即可。原因一想即知,因为有问题的硬币每次都会出现。。。。。。。
"如果是EVEN,那么出现的硬币每个都是好的。"也可能是坏的吧。

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