// Name: Connor McDowell
// Date: 1/30/3024
// class: CIS116
// Assignment: homework 3

#include <iostream>
#include "header.h"

using std::cin;
using std::cout;
using std::endl;

int main()
{
	int f = 0;
	int n = 0;
	int m = 0;
	int p = 0;

	// factorial section
	cout << "Enter a whole, positive number you would like to see go through a factorial calculation: ";
	cin >> f;
	cout << "The factorial of: " << f << " is: " << factorial(f) << endl;

	// fib section
	cout << "Please enter a whole, positive  number to see the number located at your input's position in the fibonacci sequence: ";
	cin >> n;
	cout << "The number: " << fibonacci(n) << " is located at the position of input: " << n << endl;

	// powerfunc section
	cout << "Please enter a whole, positive number as the base for an exponential expression: ";
	cin >> m;
	cout << "And now a whole, positive number as the power to apply to the number: ";
	cin >> p;
	cout << m << " to the " << p << " power is: " << powerfunc(m, p);


	return 0;
}

int factorial(int f)
{
	if (f == 0 || f == 1)
		return 1;
	long calc = f * factorial(f - 1);
	return calc;
}

int fibonacci(int n)
{
	int a = 0, b = 1, c, i;
	if (n == 0 || n == 1)
	{
		return n;
	}
	else
	{
		return(fibonacci(n - 1) + fibonacci(n - 2));
	}
}

int powerfunc(int m, int p)
{
	if(p != 0)
	{
		return(m * powerfunc(m, p - 1));
	}
	else
	{
		return 1;
	}
}