Function overloadin ex 2

 #include<iostream>

#include<conio.h>

using namespace std;

int calC(int);

int calC(int , int);

int main()

{

int s,a,b;

cout<<"Enter the number";

cin>>s;

cout<<"square of "<<s<<" is"<<calC(s);

cout<<"Enter the two numbers:";

cin>>a>>b;

cout<<"addition of two numbers is:"<<calC(a,b);

getch();

return 0;

}

int calC(int x)

{

return(x*x);

}

int calC(int x,int y)

{

return(x+y);

}