The Last Attempt

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Finally our very shy and coder friend, Yaar, has accepted that he has a huge crush on "HER" ;). He could not gather the courage to propose her in these many years. But today is the last day of the college and Yaar has gathered somewhat courage to talk to her. There are N number of hostels in BIT Deoghar which are connected by M network of roads. Each road is bidirectional and connects two hostels

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solution.cppC++17

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