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326. Power of Three 👍

  • Time: $O(1)$
  • Space: $O(1)$
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class Solution {
 public:
  bool isPowerOfThree(int n) {
    return n > 0 && static_cast<int>(pow(3, 19)) % n == 0;
  }
};

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class Solution {
  public boolean isPowerOfThree(int n) {
    return n > 0 && Math.pow(3, 19) % n == 0;
  }
}

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class Solution:
  def isPowerOfThree(self, n: int) -> bool:
    return n > 0 and 3**19 % n == 0