Angle Between Clock Hands — Solution & Editorial | Jobs at Avian IT

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Problems > Angle Between Clock Hands > Editorial

Angle Between Clock Hands — Solution & Editorial

Back to the Problem

The minute hand sits at 6M degrees; the hour hand at 30(H mod 12) + 0.5M. Work in half-degrees to stay in integers, take the smaller of d and 360−d.

Complexity: O(1)

Watch out: The hour hand is NOT stuck at the hour mark — it advances half a degree per minute.