My C 4ms Solution


  • 0
    N
    bool isPowerOfTwo(int n) {
      if (n <= 0) return false;
      while (n % 2 == 0 && n > 0) {
        n >>= 1;
      }
      if (n == 1) {
        return true;
      } else {
        return false;
      }
    }

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