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Re:设 a=n/2,b=n-a; 结果是a*(a-1)/2+b*(b-1)/2;In Reply To:设 a=n/2,b=n-a; 结果是a*(a-1)/2+b*(b-1)/2; Posted by:Grope at 2003-11-01 21:41:47 > Followed by: Post your reply here: |
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