Human Ghoul Neighbouring

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In the city of Tokyo, there are $N$ houses spread throughout the city labelled from $1$ to $N$. Some houses are used by HUMANS while some are used by GHOULS( a demon-like being or monstrous humanoid originating in pre-Islamic Arabian religion). Two houses are connected with each other through a road. To maintain the diversity and restrain the population from creating a group with same kind of b

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solution.cppC++17

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