Algorithms | Sorting | Question 4
Which of the following sorting algorithms in its typical implementation gives best performance when applied on an array which is sorted or almost sorted (maximum 1 or two elements are misplaced).
(A) Quick Sort
(B) Heap Sort
(C) Merge Sort
(D) Insertion Sort
Answer: (D)
Explanation: Insertion sort takes linear time when input array is sorted or almost sorted (maximum 1 or 2 elements are misplaced).
All other sorting algorithms mentioned above will take more than lienear time in their typical implementation.
Quiz of this Question
.png)
