Christmas Tree

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On the Occasion of Christmas Alan decided to decorate his tree with light bulbs. So starting from the top he connected $N$ light bulbs of different colors randomly on the tree with $N-1$ wires such that each light bulb is connected to every other bulb in the tree. A light bulb can have any color $C$ from $1$ to $1000$, where each positive integer denotes a unique color. Once he was done with deco

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solution.cppC++17

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