Greed Island Bomber

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Genthru has observed that all the $N$ cities on greed island have good trade relations with each other. He deduces that the reason for this is that there exists a route between any pair of cities on greed island. Being a villain he wants to sever the trade relation between at least one pair of cities, so he decides to destroy exactly 1 road among the existing $M$ roads. You have to determine the e

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solution.cppC++17

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