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转化成矩阵乘方,O(logn)地算

Posted by frkstyc at 2005-06-27 18:34:02 on Problem 2440
In Reply To:推出了f(n)=f(n-1)+f(n-3)+f(n-4),但是接着怎么做? Posted by:cathy at 2005-06-27 18:31:44


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