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Selection 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 selection 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: Yellow = Current element, Purple = Largest so far, Red = Upper boundary, Blue = Comparing, Green = Sorted

Selection Sort Concept

Selection Sort is a sorting algorithm that repeatedly finds the largest element in the unsorted portion and places it at the end of the sorted portion.

How it works:

  • Find the largest element in unsorted section
  • Swap it with the last element of unsorted section
  • Reduce the unsorted section by one element
  • Repeat until array is fully sorted
  • Builds sorted section from right to left

Time Complexity: O(n²) - compares all pairs of elements

Selection Sort Code Implementation

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