Program to implement function overloading using suitable example in C++

#include
#include
#include
void sqr(int);
void sqr(int,int);
void main()
{
int a,b;
clrscr();
cout<<"Enter first number = "; cin>>a;
cout<<"Enter second number = "; cin>>b;
sqr(a);
sqr(a,b);
getch();
}
void sqr(int x)
{
int y=x*x;
cout<<"square is = "< }
void sqr(int x,int y)
{
int z;
z=x*y;
cout<<"product is = "< }