Find Digits Hacker Rank solution in C

 https://www.hackerrank.com/challenges/find-digits/problem

#include <stdio.h>

int main()

{

    unsigned long long int t;

    scanf("%llu",&t);

    while(t--)

    {

        unsigned long long int n,c=0,temp;

        scanf("%llu",&n);

        temp=n;

        while(n>0)

        {

            int digit=(n%10);

            if(digit > 0)

                if(temp%digit == 0)

                    c++;

            n=n/10;

        }

        printf("%llu\n",c);

    }

}