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Counting Sort Visualizer

STEM Interactive Visual Learning Program at TEC-Bridge AI

Setup Array

Sort Controls

Array Visualization

Original Array:
Count Array:
Output Array:

Algorithm Steps

How to Use

  1. Setup: Enter numbers 0-9 separated by commas or click "Random" to generate an array
  2. Sort: Click "Start Sort" to begin the counting 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 counting and placement process
  6. Reset: Click "Reset" to start over with a new sort

Colors: Orange = Counting, Blue = Current, Purple = Placing, Yellow = Count Array, Green = Sorted

Counting Sort Concept

Counting Sort is a non-comparison sorting algorithm that sorts elements by counting occurrences of each distinct element.

How it works:

  • Create count array for range of input values
  • Count occurrences of each element
  • Transform counts to actual positions
  • Place elements in output array using counts
  • Works only for limited range of integers

Time Complexity: O(n + k) where k is range of input

Counting Sort Code Implementation

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