1281 Subtract the Product and Sum of Digits of an Integer.c

int subtractProductAndSum(int n)
{
    int product = 1;
    int sum = 0;
    
    while(n > 0)
    {
        int rem = n%10;
        n = n/10;
        product *= rem;
        sum += rem;
    }
    
    return (product - sum);
    
}