Polycarp And Love For Optics

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Polycarp gave you a N * N grid with each cell either comprising of a '#' or a '.' character. '#' denotes a blocked cell whereas '.' denotes an empty cell. Recently, he got admission into a prestigious institute which specializes in Optics. He has a challenge to prepare for a local contest of institute. So, after days of thinking he came up with an idea. You are his good friend and have to help h

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solution.cppC++17

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