Rearranging Cartons

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Your school has ordered some equipment that has been delivered in a number of very heavy cartons. Each carton has a serial number $S$ and the cartons are all lined up in a row. Unfortunately, your teacher asked for the cartons to be placed in a particular sequence and you forgot to tell the people who unloaded the cartons about this. You now have to quickly restore the cartons to the correct order

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solution.cppC++17

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