Relay Race

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As the sports meet is coming in GTBIT so everyone is building a team for the Relay Race. A team can participate in Relay Race if the team has exactly two members. A student builds a team with every other student that take part in Relay Race exactly once. For example if student A builds a team with student B than after that student B can't build a team with student A. You are the organiser of the

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solution.cppC++17

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