Dexter and his Blood Slides

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Problem Statement Dexter wants to fill a box having compartments in the form of a 3xN grid and he has blood slides of N different types to do that. Each compartment is to be filled with exactly one blood slide. An arrangement of the grid is considered beautiful if no two compartments of the same row or same column have the same type of blood slide. The compartments of the first two rows are alre

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solution.cppC++17

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