everyone says out their birthday in order of seating(randomly seated). If someone hears their birthday, they shout out of turn. I guess you were expecting an a

everyone says out their birthday in order of seating(randomly seated). If someone hears their birthday, they shout out of turn. I guess you were expecting an algorithm faster than O(n)? That was the best we could do, given n processors with O(1) space each :-D