The array's values are arr = {1, 2, 3, 4, 5}. The number of iterations in selection sort and bubble sort, respectively, are _________ .Note: bubble sort is implemented with a flag variable.Options1 and 44 and 54 and 10 and 4
Question
The array's values are arr = {1, 2, 3, 4, 5}. The number of iterations in selection sort and bubble sort, respectively, are _________ .Note: bubble sort is implemented with a flag variable.Options1 and 44 and 54 and 10 and 4
Solution
The number of iterations in selection sort and bubble sort, respectively, are 4 and 10.
Here's why:
Selection Sort: In selection sort, for an array of n elements, we need to do n-1 passes. In each pass, the smallest (or largest, depending on the sorting order) element from the unsorted subarray is selected and moved to the sorted subarray. So for an array of 5 elements, we need 5-1 = 4 passes or iterations.
Bubble Sort: In bubble sort, for an array of n elements, we need to do n*(n-1)/2 comparisons in the worst case. This is because in the first pass, we do n-1 comparisons, in the second pass we do n-2 comparisons, and so on until 1 comparison in the last pass. So the total number of comparisons or iterations is (n-1) + (n-2) + ... + 1 = n*(n-1)/2. For an array of 5 elements, this is 5*(5-1)/2 = 10 comparisons or iterations.
So, the correct option is "4 and 10".
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