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1344. Angle Between Hands of a Clock 👍

  • Time: $O(1)$
  • Space: $O(1)$
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class Solution {
 public:
  double angleClock(int hour, int minutes) {
    const double hourHand = (hour % 12 + minutes / 60.0) * 30;
    const double minuteHand = minutes * 6;
    const double diff = abs(hourHand - minuteHand);
    return min(diff, 360 - diff);
  }
};

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class Solution {
  public double angleClock(int hour, int minutes) {
    final double hourHand = (hour % 12 + minutes / 60.0) * 30;
    final double minuteHand = minutes * 6;
    final double diff = Math.abs(hourHand - minuteHand);
    return Math.min(diff, 360 - diff);
  }
}

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class Solution:
  def angleClock(self, hour: int, minutes: int) -> float:
    hourAngle = (hour % 12) * 30 + minutes * 0.5
    minuteAngle = minutes * 6
    ans = abs(hourAngle - minuteAngle)

    return min(ans, 360 - ans)