Question: Suppose you are given a function which computes the median of n numbers in O(n) time. How can you use this function (your algorithm will

Suppose you are given a function which computes the median of n numbers
in O(n) time. How can you use this function (your algorithm will make function calls to
this one), to find the kth smallest number in a given array A[1..n] of positive integers.
Your algorithm should run in O(n) time and work for arbitrary k (Hint: Use reduce-andconquer).

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