Garden Squares

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Chef has just finished the construction of his new garden. He has sown the garden with patches of the most beautiful carpet grass he could find. He has filled it with patches of different color and now he wants to evaluate how elegant his garden is. Chef's garden looks like a rectangular grid of cells with N rows and M columns. So there are N x M cells in total. In each cell Chef planted grass of

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solution.cppC++17

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