Algorithms | Sorting | Question 19

Which of the following sorting algorithms has the lowest worst-case complexity?
(A) Merge Sort
(B) Bubble Sort
(C) Quick Sort
(D) Selection Sort


Answer: (A)

Explanation: Worst case complexities for the above sorting algorithms are as follows:
Merge Sort — nLogn
Bubble Sort — n^2
Quick Sort — n^2
Selection Sort — n^2

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