// console3.cpp : Defines the entry point for the console application.
//

#include <stdio.h>
#include <stdlib.h>
#include <time.h>


class A {
public:
    virtual run() { printf("A::run()\n"); }
};

class B : public A {
public:
    virtual run() { printf("B::run()\n"); }
};

class C : public A {
public:
    virtual run() { printf("C::run()\n"); }
};

class D : public A {
public:
    virtual run() { printf("D::run()\n"); }
};

struct E : public D {
    virtual run() { printf("E::run()\n"); }
};

int main(int argc, char* argv[])
{
	printf("Polymorphism\n");

    A *pA[10];

    srand( time(NULL) );

    for( int j=0; j<10; j++)
    {
       int k = rand()%5;
       switch (k)
       {
          case 0: pA[j] = new A();
                  break;
          case 1: pA[j] = new B();
                  break;
          case 2: pA[j] = new C();
                  break;
          case 3: pA[j] = new D();
                  break;
          case 4: pA[j] = new E();
                  break;
       }
    }

    for( int i=0; i<10; i++)
      pA[i]->run(); // For FUN try: (*(pA+i))->run() OR i[pA]->run();

    for( i=0; i<5; i++)
       delete pA[i];
   

	return 0;
}