ARJUN AND HIS CLASSMATES

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Arjun is the favourite student of his drill Master. His teacher being busy in a work assigned a task to Arjun. There are $N$ number of students in the ground standing in a particular row with their favourite sub leader. Arjun has to make all the students stand in a single row. But the sub leaders are too notorious to listen. They can move from ith row to (i+2)th row or (i-2)th row for free but to

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solution.cppC++17

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