/* EXPERIMENT - 5 */
      /* AIM : TO PRINT THE REVERSE OF A GIVEN INTEGER AND FIND WHETHER
	       THE INTEGER IS EQUAL TO IT'S REVERSE ORDER OR NOT.    */
		   /* PROGRAMMER : SHEKHAR A. SHERIKAR */
		   /* COMPUTER TECHNOLOGY - CM102 (B3) */

main()
{
 long int a,x,y,v,b,c,d,f,e;
 int loop,message;
 clrscr();
 loop=1;
 while(loop!=0)
 {
  clrscr();
  printf("\n\t\t\t\t  - REVERSE MASTER -\n");
  printf("\n\t\tThis program will help you to evaluate the reverse order ");
  printf("\n\t\ta given n-digit integer and print wheather it is equal to");
  printf("\n\t\tthe original number or not.");
  printf("\n\n\t\t\t  Type 1 to continue and 0 to exit : ");
  scanf("%d",&loop);
  switch(loop)
  {
   case 1 :

    printf("\n\n\t\t\t* Enter the integer to be reversed : ");
    scanf("%ld",&a);
    x=a;
    y=a;
    v=0;
    printf("\n\n\n\t\t\t\t\tA N S W E R");
    printf("\n\n\t\t     The reverse order of the entered integer is : ");
    message=0;
    while(a!=0)
    {
     b=a%10;
     printf("%ld",b);
     v++;
     message++;
     a=a/10;
    }
    if(message>9)
    {
     clrscr();
     printf("\n\n\n\n\n\n\n\t\t\t\t  INPUT ERROR !");
     printf("\n\n\n\t\t    INPUT VALUE EXEEDS COMPARISION CAPABILITY !");
     printf("\n\n\n\n\n\t\t\t   Press any key to continue.....");
     getch();
     break;
    }
    c=1;
    d=0;
    while(d<(v-1))
    {
     c=c*10;
     d++;
    }
    f=0;
    e=0;
    while(x!=0)
    {
     b=x%10;
     e=b*c;
     f=f+e;
     x=x/10;
     c=c/10;
    }
    if(f==y)
    {
     printf("\n\n\t\t\tThe number is equal to it's reverse order.");
     printf("\n\n\n\n\t\t\t\tPress any key to continue.....");
    }
    else
    {
     printf("\n\n\t\t\tThe number is not equal to it's reverse order.");
     printf("\n\n\n\n\t\t\t\tPress any key to continue.....");
    }
    getch();
    break;

   case 0 :
    clrscr();
    printf("\n\n\n\n\n\n\n\t\t\t\tPROGRAM TERMINATED !");
    printf("\n\n\n\t\t    Press any key to return to source file.....");
    getch();
    break;

   default:
    clrscr();
    printf("\n\n\n\n\n\n\n\t\t\t\tINVALID INPUT !");
    printf("\n\n\n\t\t\tPress any key to continue........");
    getch();
    break;
  }
 }
}