3963. Create Grid With Exactly One Path

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You are given two integers m and n, representing the number of rows and columns of a grid. Construct any m x n grid consisting only of the characters '.' and '#', where: - '.' represents a free cell. - '#' represents an obstacle cell. A valid path is a sequence of free cells that: - Starts at the top-left cell (0, 0). - Ends at the bottom-right cell (m - 1, n - 1). - Moves only: - Right, f

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solution.cppC++17

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