#include <iostream>
using namespace std;
 
int main()
{
// Variables
const int positive_numbers = 10;
int numbers[positive_numbers];
double average;
double sum = 0.0;
int num;
//Read all numbers
for (int i = 0; i < positive_numbers; i++)
{
cout << "Enter a number: ";
cin >> num;
if( num < 0 ) cout << "Invalid! Please enter a number greater than or equal to zero." << endl;
numbers[i] = num;
sum += numbers[i];[/B]
}
 
//Find the average
average = sum/10;
 
// Display average
cout <<"\nThe average is " << average <<"\n\n";
 
 
return 0;
}