Compare the breadth-first and depth-first search algorithms : Using Depth-First Search (DFS)

The video introduces the depth first search (DFS) algorithm, comparing it with breadth first search (BFS). DFS explores one branch deeply before backtracking, using a stack data structure. An example demonstrates DFS on a graph, highlighting its non-optimal pathfinding compared to BFS. The video concludes with a comparison of both algorithms' efficiency and applicability, especially in infinite graphs.

Explain why breadth first search is guaranteed to find the optimal path while depth first search is not.

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What happens when depth first search is applied to an infinite graph?

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