Mysterious Door

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Adam and William are archaeologists. They recently come to India to complete their research so they visited Jaigarh Fort in Rajasthan. On the research William discovered a different door with mysterious pattern of $N $ numbers and lock on it. He observed that locks can be open when $ N$ number are arranged in form tree such that. •The left subtree of a node contains only nodes with numbers lesser

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solution.cppC++17

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