Game of Theory

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Tyrion is learning game theory to impress the queen.Lord Varys wanted to test the learning of Tyrion so he presented him with a problem on min-max. Help Tyrion in solving the problem. Given a tree with $N$ nodes rooted at node $1$. Each node ($U$) of the tree is associated with a pair of values $(A_U, B_U)$. You need to find the value of result ($R$). $ \\ R \qquad = \qquad \displaystyle

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solution.cppC++17

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