Question

(C++ Microsoft Visual Studio) [15 Points] Write a while loop to calculate the average of numbers entered by the user:  Ask the user to enter an integer number or -1 to stop  Add the entered numbers  Compute the average of the numbers outside the loop after termination  Print the average

Answer 1

#include <iostream>
using namespace std;
int main(){
   float sum = 0, n;
   int count = 0;
   
   cout<<"Enter value: ";
   cin>>n;
   
   while(n!=-1){
       sum += n;
       count += 1;
       cout<<"Enter value: ";
       cin>>n;
   }
   
   cout<<"Average = "<<(sum/count)<<endl;
   return 0;
}

Output:

Enter value: 4 Enter value: 2 Enter value: 3 Enter value: 1 Enter value: 5 Enter value: -1 Average = 3