Consider the following pseudocode ALGO which takes as input an array A containing n integers. Assume that array indexing begins at 0
Consider the following pseudocode ALGO which takes as input an array A containing n integers. Assume that array indexing begins at 0
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
Problem 1PE
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Question
![Consider the following pseudocode ALGO which takes as input an array A containing
n integers.
Assume that array indexing begins at 0.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F2d879090-0f80-4666-a777-d4bb5756ad51%2F1ca953c0-f6dd-4d42-a11f-712e7e70f94d%2Ftrca8_processed.png&w=3840&q=75)
Transcribed Image Text:Consider the following pseudocode ALGO which takes as input an array A containing
n integers.
Assume that array indexing begins at 0.
![ALGO (A)
1: x = A[0]
2: p = -1
3: r = n
4: while(True){
5:
do {
6:
7:
8:
9:
10:
11:
10:
11:
12:
13:
14:
15:}
p = p + 1
} while (A[p] < x)
do {
r = r - 1
} while (A[r] > x)
if (p >= r ) {
return r
}
exchange A[p] and A[r]
Fill in the blanks below. All questions carry equal points.
1. Suppose the input array is A = <13, 19, 9, 5, 12, 8, 7, 4, 11, 2, 6, 21>
A. At the end of the first iteration of the while loop of Line 4, the integer at index 0 of
A is
B. At the end of the first iteration of the while loop of Line 4, the integer at index 11
of A is
C. When ALGO terminates, the integer at index 4 is
D. When ALGO terminates, the integer at index 9 is
E. The value of r returned by ALGO in Line 12 is](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F2d879090-0f80-4666-a777-d4bb5756ad51%2F1ca953c0-f6dd-4d42-a11f-712e7e70f94d%2Ffqmrrsg_processed.png&w=3840&q=75)
Transcribed Image Text:ALGO (A)
1: x = A[0]
2: p = -1
3: r = n
4: while(True){
5:
do {
6:
7:
8:
9:
10:
11:
10:
11:
12:
13:
14:
15:}
p = p + 1
} while (A[p] < x)
do {
r = r - 1
} while (A[r] > x)
if (p >= r ) {
return r
}
exchange A[p] and A[r]
Fill in the blanks below. All questions carry equal points.
1. Suppose the input array is A = <13, 19, 9, 5, 12, 8, 7, 4, 11, 2, 6, 21>
A. At the end of the first iteration of the while loop of Line 4, the integer at index 0 of
A is
B. At the end of the first iteration of the while loop of Line 4, the integer at index 11
of A is
C. When ALGO terminates, the integer at index 4 is
D. When ALGO terminates, the integer at index 9 is
E. The value of r returned by ALGO in Line 12 is
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