#include <iostream>

using namespace std;

class data_type {
public:
	virtual void print(void) = NULL;
private:
};

class int_type : public data_type {
public:
	void print(void);
	int_type(int=0);
private:
	int data;
};

class float_type : public data_type {
public:
	void print(void);
	float_type(float=0.0);
private:
	float data;
};

int_type::int_type(int i)
{
	data = i;
}

float_type::float_type(float f)
{
	data = f;
}

void int_type::print(void)
{
	cout << "integer type = " << data << endl;
}

void float_type::print(void)
{
	cout << "float type = " << data << endl;
}

void main (void)
{
	data_type* A[5];

	int_type* i;
	float_type* f;

	i = new int_type(7);
	A[0] = i;

	f = new float_type(2.2f);
	A[1] = f;

	i = new int_type(98);
	A[2] = i;

	i = new int_type(25);
	A[3] = i;

	f = new float_type(3.14f);
	A[4] = f;

	for (int k=0; k < 5; k++)
		A[k]->print();
}