任給n,是否存在n個不同的自然數,使得其中任意兩個數x和y都滿足
|x-y| = gcd(x,y)
來一道題(3星?)
所有跟帖:
• 回複:來一道題(3星?) -康MM- ♀ (112 bytes) () 09/17/2009 postreply 17:24:52
任給n,是否存在n個不同的自然數,使得其中任意兩個數x和y都滿足
|x-y| = gcd(x,y)
• 回複:來一道題(3星?) -康MM- ♀ (112 bytes) () 09/17/2009 postreply 17:24:52
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