Consider the following pseudocode ALGO which takes as input an array A containing n integers. Assume that array indexing begins at 0

Programming Logic & Design Comprehensive
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Author:FARRELL
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Chapter6: Arrays
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Consider the following pseudocode ALGO which takes as input an array A containing
n integers.
Assume that array indexing begins at 0.
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
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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