Kaps and his wife

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Kaps is planning to celebrate his wife's birthday in a grand way in which he is planning to invite all of his wife's relatives.They have N relatives which are represented by positive integers from 1 to N.M relations are given between people in the form of two integers A B denoting that A and B are close relatives and if A receives the invitation he/she will further invite B and vice versa.But sinc

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solution.cppC++17

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