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是有奇数的，只是偶数多一些

Posted by hawk at 2003-06-04 23:39:27 on Problem 1150
In Reply To:但是答案应该有奇数的。例如P(6,2)=30，那么就应该输出3。 Posted by:awts at 2003-06-04 20:15:07 
这个关系很大？
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