A Faceless Mission

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**"A man needs a name, a man will do the rest" - Jaqen H'ghar** Jaqen H'ghar has just arrived from Braavos. He is one of the Faceless Men from Braavos and has arrived in Westeros to deliver what has been promised to the Red God. It is known that Westeros has $N$ cities which are connected by $M$ bidirectional roads. There are no multi-roads connecting same pair of cities directly, but the

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solution.cppC++17

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