Tree of Happiness

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**"If you think this has a happy ending, you haven't been paying attention" - Ramsay Bolton.** Highgarden is famous for its wealth and riches. It is said that there is nothing which you cannot get in Highgarden. The City Market in Highgarden is placed in a tree structure and each shop has a number on it. The tree is rooted at shop number $1$. There are $N$ such shops and each shop sells only one

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solution.cppC++17

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