Smallest among two numbers

/* Smallest Among two Numbers Using Class*/
/*             Language: C++             */



#include <iostream.h>
#include <conio.h>

class float_num
{
    float a,b;

    public:
        float_num(float x,float y)
        {
            a=x;
            b=y;
        }
        friend float compare(float_num &num);
};


class int_num
{
    int a,b;

    public:
        int_num(int x,int y)
        {
            a=x;
            b=y;
        }
        friend int compare(int_num &num);
};



int compare(int_num &num)
{
    if(num.a<num.b)
        return num.a;
    else
        return num.b;
}

float compare(float_num &num)
{
    if(num.a<num.b)
        return num.a;
    else
        return num.b;
}


int main()
{
    system("cls");
    int a,b;
    float c,d;
    cout<<"\nEnter two Integer Numbers: \n";
    cin>>a>>b;
    int_num int_1(a,b);
    cout<<"\nThe Smallest Among the given two number is: "<<compare(int_1);
    cout<<"\n\nEnter two Floating Point Numbers: \n";
    cin>>c>>d;
    float_num float_1(c,d);
    cout<<"\nThe Smallest Among the given two number is: "<<compare(float_1);
    getch();
    return 0;
}