Cycle Detection

Definition

Detecting if a path loops back on itself. In undirected graphs, solved via DFS by passing a 'parent' node. In directed graphs, solved via DFS using a 'visiting' (current stack) Set.

Explain Like I'm New

Leaving a trail of breadcrumbs. If you walk into a room and see your own breadcrumbs, you've been walking in a circle.

Interactive Coding Challenges

Define the core structure for Graph Cycle Detection.

Solution Code

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