#include <iostream.h>
class Wrong
{
public:
	 Wrong(int size =0){if (size){_mem = new int [size];cout<<"Creating "<<_mem<<endl;}  else _mem= NULL;  _size = size;}
	 ~Wrong(){ if ( _mem){cout<<"deleting "<<_mem<<endl;delete [] _mem;}}// the destructor
	 int& operator [] (int i){ return  _mem[i];}
private:
    int *_mem;
    int _size; // how large is mem
};
void foo(Wrong w)
{
	 cout << w[1] << endl;
}
void main()
{
	 Wrong wrong(5); //memory for wrong created
    wrong[0] = 1;
    wrong[1] = 2;
    wrong[2] = 3;
	 foo(wrong); //memory for wrong released
	 wrong[1] = 17;
	 cout << wrong[1] << endl;
    //same memory released again.
}