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Directed Graph Data Structure Visualizer

STEM Interactive Visual Learning Program at TEC-Bridge AI

Directed Graph Setup

Directed Graph Operations

Graph Visualization

Operation Steps

How to Use

  1. Add Node: Enter a label and click "Add Node"
  2. Add Edge: Enter source and destination, click "Add Edge"
  3. Random Directed Graph: Click to instantly generate a random directed graph
  4. Remove Node/Edge: Enter node or edge and click remove
  5. Out-Degree/In-Degree: Click to calculate out-degree or in-degree of a node
  6. Reset: Click to clear the graph

Directed Graph Concept

Directed Graph (digraph) is a graph in which edges have a direction, going from one node to another.

Key Characteristics:

  • Edges are ordered pairs (u, v)
  • Can have cycles or be acyclic
  • Used to model one-way relationships

Purpose & Applications

  • Modeling dependencies
  • Web page links
  • Task scheduling
  • Social networks

Time & Space Complexity

Operation Time Complexity Space Complexity
Add Node O(V^2) O(V^2)
Add Edge O(1) O(1)
Remove Node O(V^2) O(V^2)
Remove Edge O(1) O(1)
Out/In-Degree O(V) O(1)

Strengths & Limitations

Strengths:

  • Models one-way relationships
  • Useful for dependency graphs

Limitations:

  • More complex than undirected graphs
  • Visualization can be harder

Directed Graph Code Implementation

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