summation of numbers using function
#include <iostream>
using namespace std;
int sum(int a, int b)
{
cout<<"\n Using function with 2 arguments"<<endl;
return a+b;
}
int sum(int a, int b, int c)
{
cout<<"\n Using function with 3 arguments"<<endl;
return a+b+c;
}
int main()
{
cout<<"The sum of 3 and 6 is "<<sum(3,6)<<endl;
cout<<"The sum of 3, 7 and 6 is "<<sum(3,7,6)<<endl;
return 0;
}