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War in Treeland Again

CodeChefRating 2736Open on judge ↗

There is a full-scale war taking place in Treeland. Chef needs to travel between cities in Treeland to work, but during the war, it is not safe. In Treeland, there are $N$ cities (numbered $1$ through $N$) and $N - 1$ bidirectional roads connecting them in such a way that Chef can reach each city from any other city using these roads. Each road is occupied by a unique faction that assigned a posi

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solution.cppC++17

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