Contoh Program C++

ini adalah contoh program Fibonanci.
Silahkan Mencoba untuk mempelajarinya lebih lanjut.


#include 

using namespace std;
long fib_num ( long  );



int main()
{

long  num = 0;
long  sequence = 0;

cout << " Enter a positive number and
        I will compute the Fibonacci sequence for that number: ";
cin >> num;
if ( num < 0)
   {        cout << " Number must be greater than zero " << endl;  
return 1;   }       
cout << endl << endl;      
sequence = fib_num(num); 
cout << " The " << num << "th number of the Fibonacci sequence is " << sequence << endl;
return 0;       }    
long fib_num ( long n)  {  if ( n == 0)  {  return 0;  }  
else if ( n == 1 )    {  return 1;  }   
else    return  fib_num( n -1) + fib_num(n-2);     

}