// con1.cpp : Defines the entry point for the console application.
//

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

using namespace std;

int main()
{
	double x;
	int i = 1, maxNumTerms = 1;
	double powerOfX = 1, f_x = 0.0;
	int factorial = 1, sign = 1;

	//cin >> x >> maxNumTerms;
	x = .2;
	maxNumTerms = 4;
	powerOfX = x; // first term
	f_x = x;

	// I know what I'm doing 3 b/c
	for (i = 3; i < 2 * maxNumTerms; i += 2) {
		powerOfX *= x * x;
		factorial *= i * (i - 1);
		sign = -sign;
		double ithTerm = sign * powerOfX / factorial;
		f_x += ithTerm;
	}

	// cout f_x
	return 0;
}