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Suppose that the splits at every level of quicksort are in the proportion $1-\alpha$ to $\alpha$, where $0<\alpha\leq1/2$ is a constant. Show that the minimum depth of a leaf in the recursion tree is approximately $-lg\ n /lg\ \alpha$ and the maximum depth is approximately $-lg\ n / lg\ (1-\alpha)$.(Don’t worry about integer round-off.)
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