sider the following loop, which is the same loop as in the Free Form part: t low, high, A[100]; //assume array A has been initialized Precondition: 0 < low < high < 100 t best=low, sub3low+1; hile (sub <= high) if (A[sub]>A[best]) best=sub; ++sub; Postcondition: A[i]SA[best] for all integers i in [low, high] at variables have values changed during the execution of the loop? (Check all the correct answ et full credit) ow

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
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Consider the following loop, which is the same loop as in the Free Form part:
int low, high, A[100]; //assume array A has been initialized
//Precondition: 0 < low S high < 100
int best-low, sub-low+1;
while (sub <= high)
{
if (A[sub]>A[best])
best=sub;
++sub;
}
//Postcondition: A[i]<A[best] for all integers i in [low, high]
What variables have values changed during the execution of the loop? (Check all the correct answers
to get full credit)
O low
O sub
O best
O high
Transcribed Image Text:Consider the following loop, which is the same loop as in the Free Form part: int low, high, A[100]; //assume array A has been initialized //Precondition: 0 < low S high < 100 int best-low, sub-low+1; while (sub <= high) { if (A[sub]>A[best]) best=sub; ++sub; } //Postcondition: A[i]<A[best] for all integers i in [low, high] What variables have values changed during the execution of the loop? (Check all the correct answers to get full credit) O low O sub O best O high
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