Question: Given an unsorted sequence S of n comparable elements, and an integer k, give an O(nlogk)-expected-time algorithm for finding the O(k) elements that have rank

Given an unsorted sequence S of n comparable elements, and an integer k, give an O(nlogk)-expected-time algorithm for finding the O(k) elements that have rank ⌈n/k⌉, 2⌈n/k⌉, 3⌈n/k⌉, and so on.

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