Answered: Establish Proposition H. Bottom-up…

Establish Proposition H. Bottom-up mergesort sorts an array of length N using at most 6N lg N array accesses and between 12 N lg N and N lg N comparisons.

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Establish Proposition H.

Bottom-up mergesort sorts an array of length N using at most 6N lg N array accesses and between 12 N lg N and N lg N comparisons.

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Prove Proposition: Top-down mergesort uses between ½ N lg N and N lg N compares to sort any array of length N.
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