leetcode

0 class Solution {

1 public:

2 int subtractProductAndSum(int n) const {

3 int product = 1, sum = 0;

4

5 do {

6 const int digit = n % 10;

7 product *= digit;

8 sum += digit;

9 } while ((n /= 10) > 0);

10

11 return product - sum;

12 }

13 };