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Cycle Detection in Directed Graphs
Last Updated: April 5, 2026
Ashish Pratap Singh
8 min read
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What Is a Cycle in a Directed Graph?
Why Parent Tracking Fails for Directed Graphs
Approach 1: DFS with Three-Coloring (White/Gray/Bl...
Approach 2: Kahn's Algorithm (Topological Sort)...
Comparison of Approaches
Step-by-Step Walkthrough
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