#include <iostream.h>

void ice_cream_division(int number, double total_weight);
//Outputs instructions for dividing total_weight ounces of ice cream
//among number customers. If number is 0, nothing is done.


int main( )
{
    cout << "Suppose you divide 100 ounces of ice cream"
         << " among 12 people.\n";
    ice_cream_division(12, 100);
    return 0;
}

//Definition uses iostream.h:
void ice_cream_division(int number, double total_weight)
{
    double portion;

    if (number == 0)
	     return;
    portion = total_weight/number;
    cout.setf(ios::fixed);
    cout.setf(ios::showpoint);
    cout.precision(2);
    cout << "Each one receives " 
         << portion << " ounces of ice cream." << endl;
}