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Converging Pointers Data Cleanup Visualizer

STEM Interactive Visual Learning Program at TEC-Bridge AI

Setup Array

Cleanup Controls

Array Visualization

Algorithm Steps

How to Use

  1. Setup: Enter numbers with zeros separated by commas or click "Random with Zeros"
  2. Cleanup: Click "Start Cleanup" to begin the converging pointers 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 how left and right pointers converge while removing zeros
  6. Reset: Click "Reset" to start over with a new array

Colors: Blue = Left, Purple = Right, Orange = Legit, Red = Zero, Yellow = Moving, Green = Cleaned

Converging Pointers Concept

Converging Pointers is a data cleanup algorithm that removes zeros by using two pointers that move toward each other.

How it works:

  • Start with left pointer at beginning, right pointer at end
  • When left finds a zero, copy element from right position
  • Move right pointer leftward, reduce legitimate boundary
  • Continue until pointers converge
  • Result is a compacted array with zeros removed

Time Complexity: O(n) - single pass with two pointers

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Converging Pointers Data Cleanup Code Implementation

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