The Magic WhiteBoard

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The Electronics and Communication department at Thapar is developing a new game. The game consists of a board. The board contains NxN squares/blocks (i.e N blocks width wise and N blocks length wise). The blocks can have any color apart from white. The game goes this way, if you touch any block(say its color is C) it will change to white and all the surrounding blocks that will have color C will

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solution.cppC++17

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