class Car  
     {
public:  
     virtual int get_size( char * s );  
     virtual int get_size( int idx );  
     }

class SportsCar :Car  
     {
public:  
     virtual int get_size( char * s );  
     virtual int get_size( int idx ); 
     }

SportsCar sportsCar;
main()  
     {
     sportsCar.get_size( SIZE );  
     }
