PrintNFibonacciIterative.cpp

#include <iostream>
using namespace std;

int main ()
{	
	unsigned long previousNthFibNumber = 0,
		nthFibNumber = 1,
		sum = 0,
		numEntered;

	std::cout << "Enter a number to count to using a Fibonacci Sequence: ";
	std::cin >> numEntered;

	for (sum; sum < numEntered; sum = previousNthFibNumber + nthFibNumber)
	{
		cout << sum << endl;

		previousNthFibNumber = nthFibNumber;
		nthFibNumber = sum;
	}

	return 0;
}