// AmbiguousBinding - the situation gets confusing
//                    when the compile time type and
//                    run time type don't match
#include <stdio.h>
#include <iostream.h>

class Student
{
  public:
    double calcTuition()
    {
        return 0;
    }
};
class GraduateStudent : public Student
{
  public:
    double calcTuition()
    {
        return 1;
    }
};

double fn(Student& fs)
{
    // to which calcTuition() does this call refer?
    // which value is returned?
    return fs.calcTuition();
}


int main(int nArgc, char* pszArgs[])
{
    // the following expression calls
    // fn() with a Student object
    Student s;
    cout << "The value of s.calcTuition when "
         << "called through fn() is "
         << fn(s)
         << "\n";

    // the following expression calls
    // fn() with a GraduateStudent object
    GraduateStudent gs;
    cout << "The value of gs.calcTuition when "
         << "called through fn() is "
         << fn(gs)
         << "\n";
    return 0;
}