We have discussed Insertion Sort for arrays. In this article same for linked list is discussed.
Below is simple insertion sort algorithm for linked list.
1) Create an empty sorted (or result) list 2) Traverse the given list, do following for every node. ......a) Insert current node in sorted way in sorted or result list. 3) Change head of given linked list to head of sorted (or result) list.
The main step is (2.a) which has been covered in below post.
Sorted Insert for Singly Linked List
Below is implementation of above algorithm
Linked List before sorting 30 3 4 20 5 Linked List after sorting 3 4 5 20 30
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Improved By : Rajput-Ji