The Towers of Hanoi solution has quadratic complexity, which is very inefficient. Yet the implementation of the solution is incredibly short and elegant.

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The Towers of Hanoi solution has exponential complexity, specifically O(2^n), where n is the number of disks. This is because with each additional disk, the number of moves required to solve the puzzle doubles plus one additional move. The solution is indeed short and elegant, often implemented recursively, but it is not quadratic in complexity.

The Towers of Hanoi Solution Has Quadratic Complexity, Which Is