Which traversal method uses a stack to explore nodes?

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Question: Which traversal method uses a stack to explore nodes?

Options:

Correct Answer: DFS

Solution:

Depth-First Search (DFS) uses a stack to explore as far as possible along each branch before backtracking.

Which traversal method uses a stack to explore nodes?

Which traversal method uses a stack to explore nodes?

Step 1: Understand what a traversal method is. It is a way to visit all the nodes in a tree or graph.
Step 2: Learn about Depth-First Search (DFS). It is one of the methods used for traversing trees or graphs.
Step 3: Know that DFS explores as far as possible down one branch before moving to another branch.
Step 4: Recognize that DFS uses a stack data structure to keep track of the nodes it needs to visit next.
Step 5: Conclude that since DFS uses a stack to explore nodes, it is the correct answer to the question.

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