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MCS,PHD
Argosy University/ Phoniex University/
Nov-2005 - Oct-2011
Professor
Phoniex University
Oct-2001 - Nov-2016
Consider the problem of finding the smallest and largest elements in an array of n numbers.
a. Design a presorting-based algorithm for solving this problem and determine its efficiency class.
b. Compare the efficiency of the three algorithms:
 (i) the brute-force algorithm,
(ii) This presorting-based algorithm, and
(iii) the divide-and-conquer algorithm
(see Problem 2 in Exercises 5.1).
a. Write pseudo code for a divide-and-conquer algorithm for finding values of both the largest and smallest elements in an array of n numbers.
b. Set up and solve (for n = 2k) a recurrence relation for the number of key comparisons made by your algorithm.
c. How does this algorithm compare with the brute-force algorithm for this problem?
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