Dummy head nodes Eliminates the special case for insertion into & deletion from beginning of linked list. Dummy head node Always present, even when the linked list is empty. insertion & deletion algorithms initialize previous to reference the dummy head node rather than NULL (a) A ci...
Insertion sort is especially useful in sorting linked list data structures. As you know, Linked lists have pointers pointing to its next element (singly linked list) and previous element (double linked list). This makes it easier to keep track of the previous and next elements. Thus it is e...