Graphs make up of Meta interviews. The must-know problems are Clone Graph, Number of Islands, Course Schedule, and Accounts Merge. Use BFS for shortest paths in unweighted graphs. Use DFS for cycle detection, topological sort, and exploring all paths. Use Union-Find for connected components and dynamic connectivity. Meta's AI-enabled rounds now test debugging graph algorithms, so understand the code deeply, not just the concepts. Always clarify: directed or undirected, weighted or unweighted, cycles allowed?
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$ curl repovive.com/roadmaps/meta-interview-prep/graphs/section-recap
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