//------------------------------------------------------------------------------
// hw2.c
//
// This program calculates the
// factorial of every second number
// from my Matrikelnumber
//
// Group: Group 1, study assistant Severin-Holzgraf
//
// Authors: Roland Urbano 1130357
//------------------------------------------------------------------------------
//

#include <stdio.h>

//------------------------------------------------------------------------------
//
// This is the main function where the factorial is calculated
//
int main ()
  {
    int summ = 20;  //summ of matr_number
    double modulo = summ % 2;
    double counter = 0;
    double max_wert = 0;
    double factorial = 1;   //Variable zum speichern der Fakultät

    while (modulo != 1)
     {
       while ( counter <= max_wert )
       {
	 factorial = factorial * counter;
	 counter++;
       }

       printf("%e\n", factorial);

       max_wert = max_wert + 2;

         while ( counter == summ)
	  {
	    modulo = 1;
	  }
     }

     return 0;
  }