Program to illustrate the relationship b/w union and structure

 #include<iostream.h>
 #include<conio.h>


 //--------------------------------  Str  --------------------------------//


 struct str
    {
       int number_1;
       float number_2;
    };


 //---------------------------------  uni  -------------------------------//


 union uni
    {
       int number_1;
       float number_2;
    };


 main()
    {
       clrscr();

       struct str structure_element;
       union uni union_element;

       cout<<\"\\n ********** Structure Elements **********\"<<endl;

       cout<<\"\\t Enter the value of number_1 = \";
       cin>>structure_element.number_1;

       cout<<\"\\t Enter the value of number_2 = \";
       cin>>structure_element.number_2;

       cout<<\"\\n ********** Union Elements **********\"<<endl;

       cout<<\"\\t Enter the value of number_1 = \";
       cin>>union_element.number_1;

       cout<<\"\\t Enter the value of number_2 = \";
       cin>>union_element.number_2;

       getch();
       clrscr();

       cout<<\"\\n ********** Structure Elements **********\"<<endl;

       cout<<\"\\t Value of number_1 = \";
       cout<<structure_element.number_1<<endl;

       cout<<\"\\t Value of number_2 = \";
       cout<<structure_element.number_2<<endl;

       cout<<\"\\n ********** Union Elements **********\"<<endl;

       cout<<\"\\t Values of number_1 = \";
       cout<<union_element.number_1<<endl;

       cout<<\"\\t Value of number_2 = \";
       cout<<union_element.number_2<<endl;

       cout<<\"\\n\\n ********** Structure Elements **********\"<<endl;
       cout<<\"\\t Size of structure_element = \"<<sizeof(struct str)<<endl;

       cout<<\"\\n ********** Union Elements **********\"<<endl;
       cout<<\"\\t Size of union_element = \"<<sizeof(union uni)<<endl;

       getch();
       return 0;
    }