Circular Doubly Linked List - Deletion at the End | Data Structure
Circular Doubly Linked List Deletion at the End
Deletion at the end of a Circular Doubly Linked List (CDLL) involves removing the last node and updating the pointers of the adjacent nodes.
Step-by-Step Process:
1. Check if the list is empty.
2. If the list has only one node, update HEAD to NULL and free the node.
3. Otherwise, find the second last node (SECOND_LAST) and the last node (LAST).
4. Update SECOND_LAST's next pointer to HEAD (to maintain circularity).
5. Update HEAD's previous pointer to SECOND_LAST.
6. Free the memory allocated to the deleted node (LAST).
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