Fibonacci rekurzija

#include <iostream>
using namespace std;

int f(int n)
{
    if (n <= 2)return 1;
    else return (f(n-1) + f(n-2));

}


int main()
{
    int n;
    cout << "Unesi n: ";
    cin >> n;

    cout << "Fibonacci od n = " << f(n);

    system("pause >nul");
    return 0;
}