Function main2

Lab_07/sum.cpp:13–21

}

int main2()
{
	cout << "\t\t\t***Program to calculate the sum of natural numbers using recursion***" << endl;
	int num;
	cout << "Please enter the interval: ";
	cin >> num;							 // inpuing the interval of the numbers
	cout << "The sum is : " << sum(num); // calling function 'sum'
	return 0;
}