class A {
  private: 
    Element *elem1;
  public:
    Element & El() {return elem1;}
};

class A {
  private: 
    Element *elem1;
  public:
    A (Element *elem):elem1(elem){};
    Element & El() {return elem1;}
};

.
.
.
  Element myelement;
  Element yourelement;

  A a(&myelementptr);

  // Can I do this here to assign address of yourelement to pointer elem1
  // of object a?
  a.El() = &yourelement;

#include<iostream>
using namespace std;

class A {
  private: 
      int *elem1;                   //elem1 is the pointer to an int

  public:
    A (int *elem):elem1(elem){};    //constructor that takes the pointer to an int

    int* El() {return elem1;}       //returns the pointer elem1

    void print()                    //a sample print function to check this program
    {
        cout<<*elem1;
    }
};


int main()
{

    int x=10;

    A a(&x);        //create object with pointer to x as the constructor
    
    a.print();      //print the value in elem1

    int* z;         //element pointer

    z = a.El();     //NOW!!! We are returning the pointer elem1 to z

    *z = 100;       //We are using z!
        
    a.print();      //Print and see the output!!!!!!!!!!!!!!!!

    return 0;
}

    void assign(int *x)
    {
        elem1 = x;
    }

    int x = 100;

    A a(&x);      // elem1 points to x

    int y = 10;

    a.assign(&y);      // change the pointer to y