The Attack of Queen

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Chef has started developing interest in playing chess, and was learning how the [Queen](https://en.wikipedia.org/wiki/Queen_(chess)) moves. Chef has an empty $N \times N$ chessboard. He places a Queen at $(X, Y)$ and wonders - What are the number of cells that are under attack by the Queen? **Notes:** - The top-left cell is $(1, 1)$, the top-right cell is $(1, N)$, the bottom-left cell is $(N,

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solution.cppC++17

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