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

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class Solution {
 public:
  int subtractProductAndSum(int n) {
    int prod = 1;
    int summ = 0;

    for (; n > 0; n /= 10) {
      prod *= n % 10;
      summ += n % 10;
    }

    return prod - summ;
  }
};

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class Solution {
  public int subtractProductAndSum(int n) {
    int prod = 1;
    int summ = 0;

    for (; n > 0; n /= 10) {
      prod *= n % 10;
      summ += n % 10;
    }

    return prod - summ;
  }
}

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class Solution:
  def subtractProductAndSum(self, n: int) -> int:
    prod = 1
    summ = 0

    while n > 0:
      prod *= n % 10
      summ += n % 10
      n //= 10

    return prod - summ