Question

write a program using a while loop that asks a user to enter scores of exam for each subject and calculate the total and average. in c++

Answer 1

Code:

#include <iostream>
using namespace std;

int main()
{
int n, i;
float num[100], sum=0.0, average;

cout << "Enter the number of subjects: ";
cin >> n;

while (n > 6 || n <= 0)
{
cout << "Error..entered number for subjects count is exceeded: ";
cin >> n;
}

for(i = 0; i < n; ++i)
{
cout << i + 1 << ". Enter subject score: ";
cin >> num[i];
sum += num[i];
}

average = sum / n;
cout << "Total = "<<sum;
cout << "Average = " << average;

return 0;

}

Output:

Enter the number of subjects: 4

Enter subject score: 35

Enter subject score: 85

Enter subject score: 96

Enter subject score: 48

Total = 264

Average = 66