Love Polygons

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Note : This question carries $200$ $points$ In Chiefland there lived the group of N friends numbered 0 to N-1. As it is common in an enormous friend group, some people in the group like each other so, they form several love polygons in the group. In this group of $N$ friends, $K$ pair of people like each other. As in Chiefland, people are very open about polyamorous relationship.$It$ $should

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solution.cppC++17

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