Group Activity

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There is a group of N students numbered from 1 to N. Some of the students know each other.You are given this information by M pairs each of form (ai,bi) denoting that person ai and bi know each other. The professor wants to conduct a group activity and for this activity he needed either 2 or 3 group of students.The criteria of dividing the students in groups is that only those students who know a

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solution.cppC++17

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