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🎮 Graph Theory (Practice)

Companion to the Graph Theory guide. Build an adjacency list and detect a cycle in a directed graph. Edit and run the code right here — it executes in your browser.

🐍 Your turn​

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🧠 Challenge yourself​

  1. Return a topological order when there is no cycle.
  2. Count connected components in an undirected graph.
  3. Adjacency list vs matrix — when is each better?

Continue the learning path → Shortest Path