#include <iostream>
#include <cmath>
using namespace std;

double compute_sum( const int Element[], const int i);
double compute_average( const int Element[], const int i);
double subtract_average( const int Element[], const int i);
int main ()

{
    int const SIZE = 100;
    int Element[SIZE]; //Array of SIZE Elements.
    cout << "Enter list of integers" << endl;
    int i = 0;
    double x;
    cin >> x;
    while ( i < SIZE && x!=0)
    {
          Element[i] = x;
          i++;
          cin >> x;
    }
    double sum = compute_sum(Element, i);
    cout << sum << endl;
    double average = compute_average(Element, i);
    cout << average << endl;

cin.ignore().get();
return 0;

}

double compute_sum( const int Element[], const int i)
{
       int sum = 0;
       for (int z = 0; z < i; z++)
           {
              sum = sum + Element[z];
           }
return(sum);
}

double compute_average(const int Element[], const int i)
{
       double sum = compute_sum(Element, i);
       double average = 0.0;
       average = sum/i;

return (average);
}

double subtract_average(int Element[], int i)
{
       double average = compute_average(Element, i);
       for(int r = 0; r < i; r++)
       {
               double sub = element[r] - average;
               cout << sub << endl;
       }
       return (sub);
}