Question

Suppose an array A stores n integers, each of which is in {0, 1, 2, ...,...

Suppose an array A stores n integers, each of which is in {0, 1, 2, ..., 99}. Which of the following sorting algorithms can sort A in O(n) time in the worst case?

Question 16 options:

A)

merge sort

B)

counting sort

C)

quicksort

D)

None of these options is correct.

E)

insertion sort

Homework Answers

Answer #1

D) None of these options is correct

As for the comparison just look at the following table which shows the whole scenario of sorting algorithm time complexity of worst-case time complexity column for each sorting algorithm.

Algorithm Data structure Time complexity:Best Time complexity:Average Time complexity:Worst Space complexity:Worst
Quick sort Array O(n log(n)) O(n log(n)) O(n2) O(n)
Merge sort Array O(n log(n)) O(n log(n)) O(n log(n)) O(n)
Insertion sort Array O(n) O(n2) O(n2) O(1)
Count Sort Array Ω(N + k) Θ(N + k) O(N + k) O(k=n)

Thanks

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