Which of the following data structures is used in the implementation of a breadth-first search algorithm? a) stack b) queue c) binary heap d) priority queue

Understand the Problem

The question is asking which data structure is employed in the breadth-first search (BFS) algorithm. This algorithm utilizes a specific structure to systematically explore nodes and is known to use a queue for its traversal mechanism.

Answer

Queue

The final answer is queue.

Answer for screen readers

The final answer is queue.

More Information

In a Breadth-First Search (BFS) algorithm, nodes are explored level by level. A queue is used to keep track of the nodes yet to be explored, ensuring the oldest unexplored nodes are processed first.

Tips

A common mistake is confusing BFS with DFS, which uses a stack instead of a queue.

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