Question: 2. Among Selection Sort, Insertion Sort, Quicksort and Heapsort, which performs best if: (a) The input array is already sorted. b) The input array is

2. Among Selection Sort, Insertion Sort, Quicksort and Heapsort, which performs

2. Among Selection Sort, Insertion Sort, Quicksort and Heapsort, which performs best if: (a) The input array is already sorted. b) The input array is in reverse order. c) It is important to minimize exchanges Justify your answers. (20 pts.)

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