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Re:说说两个简单公式.In Reply To:说说两个简单公式. Posted by:KosonLau at 2007-04-28 21:22:36 > k=(sqrt(1+8*n)-1)/2,即子序列的长度不会超过k. 接着从1到k一个一个判断 a=(2*n-k*k+k)%(2*k)是否为0,如果是则总数加1,否则继续循环. > > 数学功底强的人优势很大，先赞一下！ 本人数学功底不太扎实，以后要加强了…… 不过好像k的范围是k < (sqrt(1+8*n) + 1) / 2 Followed by:
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