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Cycle Detection in Undirected Graphs
Medium Priority
8 min read
Updated May 30, 2026
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What Is a Cycle in an Undirected Graph?
Edge Cases: Self-Loops and Multi-Edges
Approach 1: DFS with Parent Tracking
Approach 2: Union-Find (Disjoint Set Union)
Approach 3: BFS with Parent Tracking
Comparison of Approaches
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Cycle Detection in D...
