Can you explain when to use BFS in algorithms?
BFS, or Breadth-First Search, is ideal for finding the shortest path in unweighted graphs. It's also useful for exploring all neighbors at the present depth before moving on.
What types of problems is BFS best suited for?
BFS is great for problems like shortest path in unweighted graphs, level-order traversal in trees, and finding connected components.
Are there any limitations to using BFS?
Yes, BFS can consume a lot of memory since it stores all nodes at the current level. It's not efficient for deep graphs.
How does BFS compare to DFS?
BFS explores all neighbors at the present depth before going deeper, while DFS goes as deep as possible down one branch before backtracking.
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