Reverse digits of a number

Input   An integer  
Output  Reverse of number  
complexity  O(d) where d is the number of digits in the number  
  
Digitsreverse(num)  
1 while (num>0) then  
2   digit =num%10;  
3   print digit;  
4   num= num/10;  

//To Find the reverse of a number
//Input : Any positive integer

#include
#include
int main()
{
    int num,rem;
    printf("Enter a number ");
    scanf("%d",&num);
    printf("The reverse of %d is :",num);
    while(num>0)
    {
                rem=num%10;
                printf("%d",rem);
                num=num/10;         
    }
}