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September 16, 2008, 19:04

Can anyone answer the below question for me pleas??

Let X[1::n] and Y [1::n] be two arrays, each containing n numbers already in sorted order.
Give an O(lg n) time algorithm to find the nth and n+1st largest elements of the 2n elements
in arrays X and Y . Your algorithmic description must start with a brief overview of your
algorithm in English.

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