J3 Aeroplanes

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On New Year's Eve, in a quiet air traffic monitor's tower, the poor controller realised that he was going to be working at midnight as well. Being a superstitious person, he believes that wishing at least k people at midnight will bring him good luck for the rest of the year. He decides to broadcast a happy new year message to the planes passing by, but wants to broadcast this message only once, a

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solution.cppC++17

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