change while to do #include <iostream>using namespace std;int main(){int n1,high=-1,low=101,tot=0;double avg=0; while (true)// condition always true{// body of loopcout <<"enter a grade,-1 to stop"<<endl;cin >> n1;if (n1==-1)break;++tot;avg+=n1;if (high < n1)high=n1;if (low >n1)low=n1; } //end loop cout<<"Total number of grades is "<<tot<<endl; // prints total number of grades that were inputcout<<"The highest grade is "<<high<<endl; // prints the highest gradecout<<"The lowest grade is "<<low<<endl; // prints the lowest gradeif (tot > 0)cout<<"The average grade is "<<avg/tot<<endl; //calculates the average grade return 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
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change while to do


#include <iostream>
using namespace std;
int main()
{
int n1,high=-1,low=101,tot=0;
double avg=0;

while (true)// condition always true
{
// body of loop
cout <<"enter a grade,-1 to stop"<<endl;
cin >> n1;
if (n1==-1)
break;
++tot;
avg+=n1;
if (high < n1)
high=n1;
if (low >n1)
low=n1;

} //end loop

cout<<"Total number of grades is "<<tot<<endl; // prints total number of grades that were input
cout<<"The highest grade is "<<high<<endl; // prints the highest grade
cout<<"The lowest grade is "<<low<<endl; // prints the lowest grade
if (tot > 0)
cout<<"The average grade is "<<avg/tot<<endl; //calculates the average grade

return 0;
}

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