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Which data structure conveniently used to implement DFS?

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Which data structure conveniently used to implement DFS?

(a) Stacks

(b) Queues

(c) Priority Queues

(d) All of the mentioned

The question was posed to me during an interview.

This interesting question is from Uninformed Search and Exploration in chapter Problem Solving of Artificial Intelligence

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Correct answer is (a) Stacks

The explanation: DFS requires node to be expanded the one most recent visited, hence stack is convenient to implement.

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