What are the limitations of depth-first search in algorithms?
Depth-first search (DFS) has several limitations, including its potential to get stuck in deep branches and not finding the shortest path.
Can you explain why it might get stuck in deep branches?
DFS explores as far down a branch as possible before backtracking, which can lead to deep but unfruitful paths.
Are there scenarios where DFS is preferred despite its limitations?
Yes, DFS is preferred in scenarios where memory usage is a concern or when searching for solutions in large, sparse graphs.
How does DFS compare to breadth-first search?
DFS uses less memory than breadth-first search (BFS) but may not find the shortest path, while BFS guarantees the shortest path.
What are some practical applications of DFS?
DFS is used in applications like puzzle solving, pathfinding in mazes, and topological sorting in graphs.
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