#include <cstdlib>
#include <iostream>
using namespace std;
unsigned long Fibonacci(unsigned long);
int main()
{
unsigned long n;
cout << "\tCalcolo del termine n-esimo della serie di Fibonacci\n" << endl;
cout << "n = ";
cin >> n;
cout << "Il termine corrispondente e' " << Fibonacci(n) << endl;
system("pause");
}
unsigned long Fibonacci(unsigned long n)
{
if(n <= 2)
return 1;
return Fibonacci(n - 2) + Fibonacci(n - 1);
}