What data structure is typically used to implement BFS?

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Question: What data structure is typically used to implement BFS?

Options:

Correct Answer: Queue

Solution:

BFS uses a queue to keep track of the vertices that need to be explored next, ensuring that vertices are processed in the order they are discovered.

What data structure is typically used to implement BFS?

What data structure is typically used to implement BFS?

Step 1: Understand what BFS (Breadth-First Search) is. It is an algorithm used to explore nodes and edges of a graph.
Step 2: Know that BFS explores all neighbors of a node before moving to the next level of nodes.
Step 3: Realize that to keep track of which nodes to explore next, we need a way to store them.
Step 4: Learn that a queue is a data structure that works like a line, where the first item added is the first one to be removed (FIFO - First In, First Out).
Step 5: Conclude that BFS uses a queue to manage the order of nodes to be explored, ensuring they are processed in the order they are discovered.

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