The Prestige

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ChefX and ChefY just watched the eminent movie "The Prestige", so ChefX decided to perform a magic trick. First, ChefX bought two decks of cards. Each deck contains $N$ cards. The cards in the first deck are numbered $1$ through $N$ from top to bottom, while the cards in the second deck are numbered $N$ through $1$ from top to bottom. Initially, all the cards are oriented face down. For the magi

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solution.cppC++17

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