Chef and Friends

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Chef invited N of his friends in his birthday party. All the friends are numbered from 1 to N. Some of the friends might know each other. You are given this information by M pairs each of form (ai, bi), denoting that the persons ai and bi know each other. Chef wants all of his guests to seat at the two tables set up for dinner. He wants that all the people sitting at a table must know each other,

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solution.cppC++17

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