fibonacci.cxx

#include <iostream>
#include <stdlib.h>
using namespace std;

unsigned int prec, fibo;

unsigned int feebo(unsigned int indice)
{
 prec = 1; fibo = 0;

 for(unsigned int i = 0; i < indice; i++)
 {
  unsigned int temp = prec + fibo;
  fibo = prec;
  prec = temp;
 }

return fibo;
}


int main(int argc, char* argv[])
{
  if(argc !=2)
  {
    cout << "Uso: ./fibonacci [VALORE]\n";
    cout << "     Con [VALORE] l'indice di fibonacci da calcolare.\n";
    return 1;
  }

  float succ[20]; succ[0] = 1;
  unsigned int indice = atoi(argv[1]);
  fibo = feebo(indice);
  cout << "fib(" << indice << ") = " << fibo << "\n";

  prec = 1; fibo = 1;

  for(unsigned int i = 1; i <= 20; i++)
  {
   unsigned int temp = prec + fibo;
   fibo = prec;
   prec = temp;
   succ[i] = fibo;
   cout << succ[i]/succ[i-1] << "\n";
  }

  return 0;
}