Beautiful Days at the Movies Hacker Rank Solution in C

https://www.hackerrank.com/challenges/beautiful-days-at-the-movies/problem 

#include<stdio.h>

int main()

{

int i,j,k,n,r,rev,count=0;

scanf("%d%d%d",&i,&j,&k);

for(;i<=j;i++)

{

    n=i;

    rev=0;

    while(n > 0)

    {

        r=n%10;

        rev=(rev*10)+r;

        n=n/10;

    }

    if(abs(i-rev)%k==0)

        count=count+1;

}

printf("%d",count);

return 0;

}