Rearranging the Bookshelf

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Bored with reading, you decide to rearrange the bookshelves. You want to arrange N books according to thickness, or reverse-height if the thickness is equal. Thus, the thinner books come first, and when books have the same thickness, the taller book comes first. Input The first line of the input contains an integer T, denoting the number of test cases. The first line of each test case contains an

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solution.cppC++17

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