Fast & Slow Pointer Pattern (Part 12): Reorder List

📰 Medium · JavaScript

Learn to reorder a linked list using the fast and slow pointer pattern in JavaScript

intermediate Published 6 Jun 2026
Action Steps
  1. Implement a Node class to represent a node in the linked list
  2. Create a function to reorder the linked list using the fast and slow pointer pattern
  3. Use the fast pointer to find the middle of the list and the slow pointer to keep track of the previous node
  4. Reverse the second half of the list and merge it with the first half
  5. Test the function with a sample linked list to verify the result
Who Needs to Know This

This pattern is useful for software engineers and developers who work with linked lists and need to optimize their code. It can be applied to various problems, such as reordering a list or detecting cycles.

Key Insight

💡 The fast and slow pointer pattern can be used to reorder a linked list in O(n) time complexity

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🚀 Optimize your linked list code with the fast and slow pointer pattern! 📈

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Combining Multiple Linked List Patterns Together (JavaScript) Continue reading on Medium »
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