Perry learns Binary

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Phineas and Ferb have made the treehouse. They have now decided to spend time with Perry who is spending his off day (remember, Chef is dealing with Dr. Doofenshmirtz today). They have taught Perry about the binary number system. Now, to check whether Perry has understood properly, Phineas will ask some queries which Perry needs to answer correctly. The tree contains $N$ nodes and every node $i$

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solution.cppC++17

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