Cheap Publicity

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INC Pradnya team wants to publicize their event so as to get maximum participants. Hence the official INC Pradnya'15 head decides to send messages to students in Pune. However he has very little balance left on his phone. He cannot invite everybody. He can send only K messages. A student receiving the message forwards it to all his friends. A person participates in the event only if he or she rec

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solution.cppC++17

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