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Stack Data Structure Visualizer

STEM Interactive Visual Learning Program at TEC-Bridge AI

Stack Setup

Stack Operations

Stack Visualization

Operation Steps

How to Use

  1. Setup: Enter capacity and click "Setup" or use "Random" for sample data
  2. Push: Enter a value and click "Push" to add element at the top
  3. Pop: Click "Pop" to remove element from the top
  4. Peek: Click "Peek" to view the top element without removing it
  5. Traverse: Click "Traverse" to view all elements from top to bottom
  6. Reset: Click "Reset" to restore the original stack state

Colors: Green = Top, Gray = Empty

Stack Concept

Stack is a linear data structure that follows the LIFO (Last-In, First-Out) principle. Elements are added and removed from the same end, called the top of the stack.

Key Characteristics:

  • Fixed size with efficient space utilization
  • Only the top element is accessible
  • Push (add), Pop (remove), Peek (view top)
  • Used in function calls, undo operations, parsing, etc.

Purpose & Applications

  • Function call management (call stack)
  • Undo/Redo features in editors
  • Expression evaluation and parsing
  • Backtracking algorithms
  • Memory management

Time & Space Complexity

Operation Time Complexity Space Complexity
Push O(1) O(1)
Pop O(1) O(1)
Peek O(1) O(1)
Is Empty O(1) O(1)
Traversal O(n) O(1)

Strengths & Limitations

Strengths:

  • Simple and efficient
  • Constant time operations
  • Predictable memory usage

Limitations:

  • Fixed maximum capacity
  • Only top element accessible
  • No random access

Stack Code Implementation

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