(Challenge) SnackDown 99

CodeChefRating 3620Open on judge ↗

**This is an interactive problem.** SnackDown 2099 will take part in the ChefLand International Office (CIO). Ada is in charge of preparation of the coding environment. Ada prepared $N$ computer terminals (numbered $1$ through $N$) interconnected by $M$ bidirectional networking cables (numbered $1$ through $M$). Each of the cables connects two different terminals and no two different cables conn

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solution.cppC++17

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