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Delete alternate nodes of a Doubly Linked List

Given a doubly linked list which is contain N nodes. Delete every alternative nodes in this linked list which are exist in Even position. Suppose linked list contain following (1,2,3,6,7,8,9,10) node in a sequence.

Before Delete alternate nodes of a Doubly Linked List After Delete alternate nodes of a Doubly Linked List

Hint In this problem head node are not delete. So the idea are, visit first node of linked list and delete next upcoming nodes. In next time iteration visits of next node and remove upcoming next nodes. Repeating this process until last node of linked list.

Here given code implementation process.





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