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Jun 24, 2024 · Insertion sort is a simple sorting algorithm that works by iteratively inserting each element of an unsorted list into its correct position in a sorted portion of the list. It is a stable sorting algorithm, meaning that elements with equal values maintain their relative order in the sorted output.
Insertion Sort is a sorting algorithm that places the input element at its suitable place in each pass. It works in the same way as we sort cards while playing cards game. In this tutorial, you will understand the working of insertion sort with working code in C, C++, Java, and Python.
void insert (int a [], int n) /* function to sort an aay with insertion sort */. {. int i, j, temp; for (i = 1; i < n; i++) {. temp = a [i]; j = i - 1; while(j>=0 && temp <= a [j]) /* Move the elements greater than temp to one position ahead from their current position*/. {. a [j+1] = a [j];
Insertion sort is a very simple method to sort numbers in an ascending or descending order. This method follows the incremental method. It can be compared with the technique how cards are sorted at the time of playing a game. This is an in-place comparison-based sorting algorithm.
Insertion sort repeatedly inserts an element in the sorted subarray to its left. Initially, we can say that the subarray containing only index 0 is sorted, since it contains only one element, and how can a single element not be sorted with respect to itself? It must be sorted. Let's work through an example. Here's our initial array:
The task is to complete the insert() function which is used to implement Insertion Sort. Example 1: Input: N = 5 arr[] = { 4, 1, 3, 9, 7} Output: 1 3 4 7 9 Example 2: Input: N = 10 arr[] = {10, 9, 8, 7, 6, 5, 4, 3, 2, 1} Output: 1 2 3 4 5 6 7
Jan 7, 2020 · Insertion sort is a simple sorting algorithm for a small number of elements. Example: In Insertion sort, you compare the key element with the previous elements. If the previous elements are greater than the key element, then you move the previous element to the next position.
