ISRO | ISRO CS 2017 – May | Question 15
Which one of the following in-place sorting algorithms needs the minimum number of swaps?
(A) Insertion Sort
(B) Quick Sort
(C) Heap Sort
(D) Selection Sort
Explanation: Selection Sort is an in-place algorithm having minimum number of swaps. It works on greedy approach and takes O(n) swaps to sort the array of n elements.
Refer: GATE-CS-2006 | Question 14
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