The data structure required for Breadth First Traversal on a graph is?
Asked In: BPSC TRE 3.0Options
- A. Queue
- B. Stack
- C. Array
- D. Tree
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Quiz Practice:
Correct Answer (Detailed Explanation is Below)
A. Queue
Detailed Explanation
Breadth First Search (BFS) works level by level.
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First, it visits the starting node.
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Then it visits all its neighbors.
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Then neighbors of neighbors.
To maintain this order (FIFO – First In First Out), we use a Queue.
Why not others?
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Stack → Used in DFS (Depth First Search)
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Array → Just storage, not traversal control
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Tree → A data structure, not used to control BFS