Java Algorithm – Check if a given graph is tree or not – Graph Algorithm – Write a function that returns true if a given undirected graph is tree
detect cycle in graph using bfs
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Java Algorithm – Detect cycle in an undirected graph – Graph Algorithms – Given an undirected graph, how to check if there is a cycle in the graph
Detect Cycle in a Directed Graph – Graph Algorithms – Given a directed graph, check whether the graph contains a cycle or not.