/* 4. ´ÙÀ½ ÇÁ·Î±×·¥ÀÇ Ãâ·ÂÀ» ½á¶ó. */

#include <stdio.h>

int number[5] = { 1, 2, 3, 4, 5 }; // ¿©±â¸¦ ¹Ù²Ü °Í

class X {
	int x;
public:
	X(int a) { x = a; }
	void foo() {
		printf("%d\n",x);
	}
	virtual void hoo() {
		printf("%d\n",x);
	}
};

class Y : public X {
	int y;
public:
	Y(int a,int b) : X(a) { y = b; }
	void foo() {
		printf("%d\n",y);
	}
	virtual void hoo() {
		printf("%d\n",y);
	}
};

class Z : public X {
	int z;
public:
	Z(int a,int b) : X(a) { z = b; }
	void foo() {
		printf("%d\n",z);
	}
	virtual void hoo() {
		printf("%d\n",z);
	}
};

void main()
{
	X *p = new X(number[0]);
	X *q = new Y(number[1],number[2]);
	X *r = new Z(number[3],number[4]);

	p->foo(); q->foo(); r->foo();
	p->hoo(); q->hoo(); r->hoo();
}