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Algorithms: Sequential, Parallel, and Distributed

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For a general positive integer n, show that the left-to-right binary method for computing requires between log2n and 2log2n multiplications.

Textbook: Algorithms: Sequential, Parallel, and Distributed

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Sequential, Parallel, and Distributed Algorithms are featured.

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We know, for a general positive integer n, it has log2n bits.
Actually, we can find some integer k, such that 2^k <= n < 2^(k+1). Since 2^k has k+1 bits, ...

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