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3359: The Perfect Cow
|scu1183 | 2009-10-05 14:42:45 | delete | edit|
the median cow is the one whose beauty number is bigger than or equal to half the cows in her group and also smaller than or equal to half the cows in her group -- the middle number of the group?? 这句话啥意思啊？？怎么大于等于又小于等于啊？？？
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