Time Complexity of Insertion Sort
- The worst-case time complexity of the Insertion sort is O(N^2).
- The average-case time complexity of the Insertion sort is O(N^2).
- The best-case time complexity of the best case is O(N).
PHP Program for Insertion Sort
Insertion sort is a simple and efficient sorting algorithm that builds the final sorted array one element at a time. Insertion sort provides several advantages such as simple implementation, efficient for small data sets, and more efficient in practice than most other simple quadratic algorithms like selection sort or bubble sort.
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