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HASH。拆成a1x13+ a2x23=-(a3x33+ a4x43+ a5x53)狂超时~~!看看过的程序是拆成a1x13+ a2x23+ a3x33=-(a4x43+ a5x53),改成这样的确用时少,为什么??

Posted by z__jj at 2009-03-12 15:35:07 on Problem 1840


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