Detect cycle in undirected graph dfs. Note that the graph could have disconnected components.

Detect cycle in undirected graph dfs. Also, can we use BFS to find cycles? DFS Cycle Detection for Undirected Graphs To detect cycles in an undirected Graph using Depth First Search (DFS), we use a code very similar to the DFS traversal code on the previous page, with just a few changes. Note: The illustration below corresponds to the below input. Detecting cycle in an undirected graphs using Depth-First-Search (DFS) Cycle in undirected graphs can be detected easily using a depth-first search traversal. A cycle is a path of length 4 or more in the grid that starts and ends at the same cell. This article explores how to detect cycles in both directed and undirected graphs using the C programming language. Jul 23, 2025 · Graphs containing cycles are called cyclic graphs. Find a cycle in directed graphs In addition to visited vertices we need to keep track of vertices currently in recursion stack of function for DFS traversal. Includes examples, explanations, and code in multiple languages. Note that the graph could have disconnected components. It efficiently detects cycles using a visited array and a queue while avoiding unnecessary recursive calls, making it more memory-efficient than DFS for large graphs. 4o 0t b9a xo4crhi buu1ekz blod fnicd 6wvj8j wk2 exmty