Feel of life

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Professor Akshay Rajput is a mathematical genius. He even thinks of the smallest problem in mathematical way just to get the feel of life. Recently he went to watch a movie alone. Standing in the queue of escalator, he noticed the following things: - There were $m$ people standing in the queue including him, waiting to get on the escalator. - At each second, the front most person did one of the tw

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solution.cppC++17

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