Doubly Linked List
Nodes have both Next and Prev pointers.
10
0xd1
20
0xd2
30
0xd3
NULL
Length: 3Status: Ready for Doubly operations.
Step: 0 / 0
Speed
Algorithm Logic
1function insertHead(val):
2 newNode = new Node(val)
3 if head:
4 head.prev = newNode
5 newNode.next = head
6 head = newNode