Towers of Hanoi

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Suppose the number of discs in the Tower of Hanoi is $N$. You need to find the number of moves required to move the discs from the start peg to the destination peg in the tower. ###Input - The first line of the input contains a single integer $T$ denoting the number of test cases. The description of $T$ test cases follows. - The first and only line of each test case contains a single integer $N$

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solution.cppC++17

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