DEVPASS.C

#include "Strings.H"

#include <stdio.h>
#include <stdlib.h>
#include <dos.h>

main ()
{
	int nSer1, nSer2, nDevPass, a, b, c, d, e, f ;
	char szSer1 [10], szSer2 [10], szSer [20] ;

	printf ("Micro-Ed developer's password 4-digit number generator\n") ;
	printf ("Enter first part of serial-no: ") ;
	gets (szSer1) ; nSer1 = atoi (szSer1) ;
	printf ("Enter second part of serial-no: ") ;
	gets (szSer2) ; nSer2 = atoi (szSer2) ;
	sprintf (szSer, "%.2d-%.4d", nSer1, nSer2) ;
	a = szSer [0] - '0' ;
	b = szSer [1] - '0' ;
	c = szSer [3] - '0' ;
	d = szSer [4] - '0' ;
	e = szSer [5] - '0' ;
	f = szSer [6] - '0' ;
	printf ("For SN-%d%d-%d%d%d%d developer's password 4-digit number is ", a, b, c, d, e, f) ;
	nDevPass = ((((a+1)*(c+1))+((b+1)*(d+1))+((e+1)*(f+1))) * 12) + 12 ;
	printf ("%.4d\n", nDevPass) ;
}