BARCA AND REAL

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Problem description. There is a group of N people consisting of Barcelona and Real Madrid fans. Coach Tyler wants to distribute some Madrid and Barca jerseys among them. But he has a rule. If one guy gets a Barca jersey, all his friends should get a Madrid jersey and vice versa. But its pretty obvious that if a Barca fan ends up with a Madrid jersey, or a Madrid fan gets a Barca jersey ,they won'

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solution.cppC++17

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