Note: (Restricted functionality due to obvious reasons!)
Minimal Code ( Raw-View ) :
#include<iostream.h>
#include<conio.h>
/* the above two lines are for header file */
void main()
/* main program */
{
int x,y,z,k;
/*declare integer*/
float x1,y1,z1,k1;
cout<<"enter x1 & y1 = ";
cin>>x1>>y1;
cout<<"enter z1 & k1 = ";
cin>>z1>>k1;
x=x1;
y=y1;
z=z1;
k=k1;
cout<<x<<" "<<x1-x<<endl;
cout<<y<<" "<<y1-y<<endl;
cout<<z<<" "<<z1-z<<endl;
cout<<k<<" "<<k1-k<<endl;
getch();
}