Dio cane

#include <iostream>
using namespace std;

int val, total = 0, counter = 0;
cout << "Val (0 to finish)? " << endl;
cin >> val;
while (val != 0) {
    total += val;
    counter++;
    cout << "Val (0 to finish)? " << endl;
    cin >> val;
}
if (counter > 0) {
    cout << "Avg: " << total / float(counter) << endl;
}