Idols and Fans

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Mike is a cool kid, so he's the most popular person in his school. All the girls want to be with him while all the boys want to be like him. There are N persons in Mike's school. No person in the school has a name(except Mike), but all of them have a unique ID integer number for the range[1..N]. Mike's ID equals to 1. Also, each person(except Mike) has his/her personal idol, who is another person

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solution.cppC++17

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