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Data Structures and Algorithms Linked List

Deletion In Dll

Lesson 13/65

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Linked List Operations - DLL Deletion

Deletion In Dll

Deletion in DLL removes a node by repairing both neighbor links: previous.next and next.previous.

TimeO(1) when node is known

SpaceO(1)

Try Interactive Simulator

Two Neighbors

The target can see both previous and next nodes.

Forward Repair

previous.next skips the target.

Backward Repair

next.prev also skips the target.

Boundary Nodes

Head and tail deletions update external head/tail pointers.

List valuesSelected value

Delete valueDelete positionN from end

Click a node to select itDrag nodes to reposition the chainDrag panel headers to rearrange toolsResize panel corners when space gets tight

Current Step

Start with previous behind current.

Speed