A Tree to Remember

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Chef finished inviting all of his friends. Now it is time to get a tree in his house and decorate it for the party. He wants to use the most beautiful tree ever. The tree Chef chose has $N$ nodes (numbered $1$ through $N$) and it is rooted at node $1$. For each valid $i$, the initial colour of the $i$-th node is $C_i$ and there is a value $A_i$ written in that node. Chef calculates the *beauty*

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solution.cppC++17

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