Bundle of Notebooks

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The class teacher gave a bundle of $n$ notebooks(where $n$ is even) to the class monitor. These notebooks have to distribute between $n/2$ students of the class. Each notebook has a distinct positive number written on it. Each student will get two notebooks and each notebook is given to exactly one student. The task of the class monitor is that, he has to distribute all the notebooks such that the

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solution.cppC++17

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