Chess Maze

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A chess board is a square with a specific configuration.The two valid configuration is given in the picture. A single cell is also valid. There was a square floor of $N∗N$, some of its cell is black and some of its cell is white. You are given Q queries and in each query you are given top left cell$ (x1,y1)$ and bottom right cell $(x2,y2)$ of a subfloor, find the side length of largest possible c

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solution.cppC++17

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