C Program to Calculate the Unique Number.

/* unique number */                                                                                

#include<stdio.h>

#include<conio.h>

main()

{

   int n,d,rev=0,k;

   printf("\n enter the value ");

   scanf("%d",&n);

   k=n;

   while(n!=0)

   {

     d=n%10;

     rev=(rev*10)+d;

     n=n/10;

   }

   printf("\n  %d",rev);

   if(k==(rev*9))

     printf("\n given no is unique");

   else

     printf("\n given is not unique");

     getch();

}