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Re:我来回答吧...In Reply To:求1-N中每个数的最大奇约数之和 Posted by:BMP_WANG at 2009-09-24 21:45:46 其实很简单 k*k不是说(N/2+1)一直到N的最大奇约数之和为(N+1)/2*(N+1)/2; 而是这样理解的... if n是奇数 则 g(n)=n;else g(n)=g(n/2); 所以不大于n的奇数总和为(N+1)/2*(N+1)/2; 而findSum(N/2)的意思是说求出剩下的不是奇数的g(n)和.. 理解了没? Followed by:
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