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Circular Linked List Visualizer

STEM Interactive Visual Learning Program at TEC-Bridge AI

List Setup

List Operations

List Visualization

Operation Steps

How to Use

  1. Setup: Enter values separated by commas or click "Random" to generate a list
  2. Traverse: Click "Traverse" to visit each node in circular fashion
  3. Search: Enter a value and click "Search" to find its position
  4. Insert: Enter position and value, then click "Insert" to add a new node
  5. Delete: Enter position and click "Delete" to remove a node
  6. Observe: Watch the circular connection from last node back to first
  7. Reset: Click "Reset" to restore the original list and start over

Colors: Orange = Current Node, Green = Found/Success, Blue = New Node, Red = Deleted

Circular Linked List Concept

Circular Linked List is a linear data structure where the last node points back to the first node, forming a circle.

Key Characteristics:

  • Last node points to first node (no NULL)
  • Can traverse infinitely in circular fashion
  • No definitive start or end point
  • Efficient for round-robin scheduling
  • Memory efficient for cyclic operations

Purpose & Applications

Why use Circular Linked Lists?

  • Round-robin scheduling algorithms
  • Continuous looping operations
  • Memory efficient for cyclic data
  • No NULL pointer checks needed
  • Easy implementation of circular buffers

Common Applications:

  • Operating system process scheduling
  • Multiplayer game turn management
  • Circular buffer implementation
  • Music playlist repeat functionality
  • Network token ring protocols

Time & Space Complexity

Operation Time Complexity Space Complexity
Access O(n) O(1)
Search O(n) O(1)
Insert at Head O(1) O(1)
Insert at Position O(n) O(1)
Delete at Head O(1) O(1)
Delete at Position O(n) O(1)
Traversal O(n) O(1)

Strengths & Limitations

Strengths:

  • No NULL pointers to handle
  • Efficient for round-robin operations
  • Memory efficient for cyclic data
  • Continuous traversal capability
  • Good for scheduling algorithms

Limitations:

  • Risk of infinite loops
  • More complex insertion/deletion
  • Harder to detect end of list
  • Debugging can be challenging
  • No natural stopping point

Circular Linked List Code Implementation

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