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Re:确实存在通项公式,这一点也不nb

Posted by darkcaller at 2011-01-02 15:03:01 on Problem 3086
In Reply To:确实存在通项公式,这一点也不nb Posted by:tzkq at 2010-07-13 07:05:35
w(n)=(n+1)*(n+2)/2*((n+1)*(n+2)/2-1))/2
用int足矣

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