Question: Given an array with n elements sorted in ascending order, which of the following algorithms have the highest time complexity when sorting the array in

Given an array with n elements sorted in ascending order, which of the following algorithms have the highest time complexity when sorting the array in descending order? In case of a tie, select all that apply.

A.Insertion sort

B.Quick sort

C.Bubble sort

D.Merge sort

2.

Using in place quicksort and always taking the first element as pivot to sort the array [3,6,4,5,2,1,7], what will be the order of the array after the first partition?

A.[2, 1, 3, 4, 5, 6, 7]

B.[2, 1, 3, 5, 4, 6, 7]

C.[1, 2, 3, 5, 4, 6, 7]

D.[1, 2, 3, 6, 5, 4, 7]

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