Intermediate 25 min

Test Your Knowledge

You’ve learned merge sort. Let’s see how well you understand it.

Knowledge Check Quiz

Coding Challenge

Implement the merge function:

🟨 JavaScript Merge Function Challenge
📟 Console Output
Run code to see output...

Key Takeaways

You’ve mastered:

Merge Sort Algorithm: Divide, sort, merge
Merge Operation: Combine two sorted arrays
Complexity: O(n log n) time, O(n) space
Characteristics: Stable, guaranteed performance
When to Use: When stability and guaranteed performance matter

What You Can Build Now

With merge sort knowledge, you can:

  • Implement reliable sorting in production
  • Understand divide-and-conquer algorithms
  • Sort linked lists efficiently
  • Build stable sorting systems
  • Appreciate algorithm trade-offs

Next Steps

  • Practice with more sorting problems
  • Learn iterative merge sort
  • Study external sorting (for large files)
  • Explore parallel merge sort

Great job completing this tutorial!