Merge sort visualization

Interactive visualization of the merge sort algorithm with step-by-step animation and controls

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About This Tool

This tool provides a comprehensive visualization of the merge sort algorithm, a classic divide-and-conquer sorting technique. Users can input custom arrays of numbers, control animation speed, and watch as the algorithm recursively divides, sorts, and merges subarrays. The visualization includes color-coded elements to show comparisons, swaps, and the merging process, making it ideal for students, educators, and developers learning about sorting algorithms.

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How to Use

Enter numbers separated by commas in the input field or use the random array generator
Adjust animation speed using the slider if desired
Click 'Visualize Merge Sort' to start the animation
Use the pause/play controls during visualization
View the sorted result and algorithm statistics in the output section

Frequently Asked Questions

Find Quick Answers

What is merge sort?

Merge sort is a divide-and-conquer sorting algorithm that recursively divides an array into smaller subarrays, sorts them, and then merges them back together. It has O(n log n) time complexity and is stable.

Can I input my own array of numbers?

Yes, you can enter any comma-separated list of numbers in the input field. The tool supports both integers and decimal numbers.

What do the different colors represent in the visualization?

Blue bars represent unsorted elements, green shows elements being compared, yellow indicates elements being merged, and red highlights sorted elements in their final positions.

Is there a limit to the array size?

For optimal visualization performance, we recommend arrays of 20 elements or less. Larger arrays will still work but may be harder to visualize clearly.

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