Fibonaccy

#include<iostream>

using namespace std;
#ifdef BYREF
int fibonacci(const int& n)
#else
int fibonacci(int n)
#endif
{
    if ((n == 1) || (n == 0))
        return n;
    else
        return fibonacci(n - 1) + fibonacci(n - 2);
}

int main()
{
    for (int i = 0; i < 1000; ++i)
    {
        std::cout << " " << fibonacci(i);
    }
    return 0;
}