2. Consider the following algorithm. Array A[0..n – 1] contains n integers. Algorithm choose (A) { n = A.last for (i = 0 to n-2) { min = i %3D for (j if (A[j] < A[min]) { min = j } } swap (A, i, min) } } = i+1 to n-1) { a) What does this algorithm compute? Describe the strategy of the algorithm. b) Trace the steps of the algorithm on the following array: 71 59 23 30 | 8 28 c) Use the big-Oh notation to express its computational complexity.

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
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2.
Consider the following algorithm. Array A[0..n – 1] contains n integers.
Algorithm choose (A) {
n = A.last
for (i = 0 to n-2) {
min
i
=
for (j = i+1 to n-1) {
if (A[j] < A [min]) {
min = j
}
}
swap (A, i, min)
}
}
%3D
%3D
a) What does this algorithm compute? Describe the strategy of the algorithm.
b) Trace the steps of the algorithm on the following array:
71 59 28 23 30 8
c) Use the big-Oh notation to express its computational complexity.
Transcribed Image Text:2. Consider the following algorithm. Array A[0..n – 1] contains n integers. Algorithm choose (A) { n = A.last for (i = 0 to n-2) { min i = for (j = i+1 to n-1) { if (A[j] < A [min]) { min = j } } swap (A, i, min) } } %3D %3D a) What does this algorithm compute? Describe the strategy of the algorithm. b) Trace the steps of the algorithm on the following array: 71 59 28 23 30 8 c) Use the big-Oh notation to express its computational complexity.
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