Sherlock and the Grid

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Sherlock is stuck. There is a N X N grid in which some cells are empty (denoted by ‘.’), while some cells have rocks in them (denoted by ‘#’). Sherlock is on the South of the grid. He has to watch what is happening on the East of the grid. He can place a mirror at 45 degrees on an empty cell in the grid, so that he'll see what is happening on East side by reflection from the mirror. But, if there

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L5 Full solution

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solution.cppC++17

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