BAHOT HARD

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All submissions for this problem are available. Harry is preparing for a friendly face-off match with the you-know-who. In that match, both of them will be present in a room of width W with a chess-like ground of same width and L length between them. Now this ground is imported from the room of a prisoner of Azkabaan and hence, some N of its blocks contain Pi power to weaken Dark Lord. (Obviously

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solution.cppC++17

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