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The given array is arr = {2,6,1}. What are the pivots that are returned as a result of subsequent partitioning?

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The given array is arr = {2,6,1}. What are the pivots that are returned as a result of subsequent partitioning?

(a) 1 and 6

(b) 6 and 1

(c) 2 and 6

(d) 1

I got this question in an internship interview.

The origin of the question is Quicksort topic in division Sorting of Data Structures & Algorithms II

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Correct answer is (d) 1

Easiest explanation - There is only one pivot with which the array will be sorted, the pivot is 1.

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