The Library Problem
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In the library of codeland, there are large number of books on different topics. Due to such large number , the administration is facing a problem of managing the books and the readers both. As your are one of the best programmers in codeland, the administration has come to you for help. They want you to make a system which will tell whether a book is present in the library or not. If the book
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solution.cppC++17
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