Mr Swegwan and His GirlFriends

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Now you must have come across the ‘sweg’ of Mr. Swegwan, so is the case with girls. So it is pretty obvious that he has many girlfriends. But Mr Swegwan is a very busy man and does not talk to all of his girlfriends at the same time. He stores the information about which girlfriend to talk to and which girlfriend to not talk to, in a string (1 indexed). Also he has assigned a unique id to each of

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solution.cppC++17

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