Write a tail-recursive Prolog procedure diff2 (L, R) to compute the following L is a list...
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Write a tail-recursive Prolog procedure diff2 (L, R) to compute the following L is a list of ordered pairs of the form (a, b) where a and b are integers R contains the result when we add up all the u's where u = (ba) for all the ordered pairs in the list L (5) For example Given L = [(4,6), (3,4), (5,4)] R = (6-4) (4-3) + (4-5) = 2 + 1 1 = 2 Why is the program in (a) more efficient in terms of space than an alternative program that is not tail-recursive? (3) Write a tail-recursive Prolog procedure diff2 (L, R) to compute the following L is a list of ordered pairs of the form (a, b) where a and b are integers R contains the result when we add up all the u's where u = (ba) for all the ordered pairs in the list L (5) For example Given L = [(4,6), (3,4), (5,4)] R = (6-4) (4-3) + (4-5) = 2 + 1 1 = 2 Why is the program in (a) more efficient in terms of space than an alternative program that is not tail-recursive? (3)
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Related Book For
Income Tax Fundamentals 2013
ISBN: 9781285586618
31st Edition
Authors: Gerald E. Whittenburg, Martha Altus Buller, Steven L Gill
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