Fibonacci in c++ for 50 elements.

fibonacci.cc

#include <sstream>
#include <string>
#include <iostream>


std::string __fibonacci(int a, int b, int iterations) 
{
	std::stringstream sequence("");
	if (iterations > 0) {
		sequence << a << " " << __fibonacci(b, b + a, iterations - 1);
	} 

	return sequence.str();
}

std::string fibonacci(int n)
{
	return __fibonacci(1, 1, n);
}

int main()
{
	int numero = 50;
	std::cout << "Fibonacci con " << numero << "elementos: " << fibonacci(numero) << std::endl;
}