From the above algorithm, we have to state whether the following statements are True or False(With explanation) (A) At the end of each iteration of the while loop of Line 4, each index of A smaller than p contains an integer smaller than x. (B) At the end of each iteration of the while loop of Line 4, each index of A larger than r contains an integer larger than or equal to x. (C) When ALGO terminates, the integer at index r is x.
From the above algorithm, we have to state whether the following statements are True or False(With explanation) (A) At the end of each iteration of the while loop of Line 4, each index of A smaller than p contains an integer smaller than x. (B) At the end of each iteration of the while loop of Line 4, each index of A larger than r contains an integer larger than or equal to x. (C) When ALGO terminates, the integer at index r is x.
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
ALGO(A)
x = A[0]
p = -1
r = n
while (True) {
do {
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]
}
From the above
(A) At the end of each iteration of the while loop of Line 4, each index of A smaller than p contains an integer smaller than x.
(B) At the end of each iteration of the while loop of Line 4, each index of A larger than r contains an integer larger than or equal to x.
(C) When ALGO terminates, the integer at index r is x.
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