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Quick Sort Visualizer

STEM Interactive Visual Learning Program at TEC-Bridge AI

Setup Array

Sort Controls

Array Visualization

Algorithm Steps

How to Use

  1. Setup: Enter numbers separated by commas or click "Random" to generate an array
  2. Sort: Click "Start Sort" to begin the quick sort process
  3. Step Through: Click "Next Step" to see each step of the algorithm execution
  4. Run Through: Click "Run Through" to automatically execute all steps in sequence
  5. Observe: Watch the array elements change colors and algorithm steps highlight on the right
  6. Reset: Click "Reset" to start over with a new sort

Colors: Orange = Pivot, Blue = Lower, Purple = Upper, Yellow = Comparing, Light Blue = Sublist, Green = Sorted

Quick Sort Concept

Quick Sort is a divide-and-conquer sorting algorithm that selects a pivot element and partitions the array around it, then recursively sorts the subarrays.

How it works:

  • Choose a pivot element (median of first three)
  • Partition array so smaller elements are left, larger right
  • Place pivot in its final sorted position
  • Recursively apply to left and right subarrays
  • Base case: arrays with 1 or 2 elements

Time Complexity: O(n log n) average, O(n²) worst case

Quick Sort Code Implementation

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