Bookseller and his books

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Ram is a book seller. His shop is in Raipur. He must handle requests which come in the following forms: (1) a b : Insert a book with b pages at the end of the ath shelf. (2) a b : Print the number of pages in the bth book on the ath shelf. (3) a : Print the number of books on the ath shelf. Raam has got an assistant, Priya. She is neighbour of Ram. Although inexperienced, Priya can handle all

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solution.cppC++17

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