Party invitations

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Bob is planning on throwing a party for all his friends. Bob loves maths, especially there is a list of integers that he loves a lot. For the party he made some tags with his favorite numbers written on it (There are infinite number of tags with the same number). - He wanted to invite the friends only in couples. - He decided to give one tag to each person and wants to distribute the tags in a

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solution.cppC++17

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