Up and Down

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Sai gave his friends a task as he was busy traveling. His boss has ordered him to make the sales of the company stable. Sai works for a sales company, and daily sales are kept in records. In order to show a good image of the company the boss ordered to make the sales stable, that is the number of times sales are UP(sales go high) and DOWN(sales go low) is equal. The sales statistics of a day is

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solution.cppC++17

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