![]() Coding it this way there is no special case, and no need for an if (.). A function to insert new nodes into the Doubly Linked list. The basic idea is: you want to append to the tail of the list you need to: find the first NULL pointer set it's value to the value of the new pointer The 'empty list' case is not special, it just means that you can find the NULL pointer in zero steps. Finally making the head pointer point to the last node. Using this two-pointer, we will swap the next and previous for all nodes of the doubly linked list. Let the first pointer point to NULL and the second pointer point to the head node. Creating a class-based node to represent one element of the doubly linked list.Ī function to reverse the list and set the head pointer to the end of the list so that we do not need to return anything. ![]()
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