/* find the larger and smaller of two numbers */
#include <iostream>
using namespace std;

void find_max_min(int, int, int &, int &);      //function prototype

int main()
{
    int a=1, b=2;
    int larger,smaller;

    find_max_min(a, b, larger, smaller);
    cout << "The larger is " << larger << " and the smaller is " << smaller << endl;

    find_max_min(5, a+b, larger, smaller);
    cout << "Now the larger is " << larger << " and the smaller is " << smaller << endl;

//  system("pause");                            //un-comment when using DevC++
    return 0;
}

/* Function find_max_min()
 * Input:
 *  x - first integer
 *  y - second integer
 *  max - reference where to put larger value
 *  min - reference where to put smaller value
 * Process:
 *  The function stores the larger of x and y into max and
 *  the smaller of x and y into min
 * Output:
 *  max - the larger of the values
 *  min - the smaller of the values
 */
void find_max_min(int x, int y, int &max, int &min)
{
    if (x > y) {
        max = x;
        min = y;
    }
    else {
        max = y;
        min = x;
    }
    return;
}