Computer Science Engineering (CSE) Exam > Computer Science Engineering (CSE) Questions > Which of the following data structure is usef...
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Which of the following data structure is useful in traversing a given graph by breadth first search?
- a)Stack
- b)List
- c)Queue
- d)None of the above.
Correct answer is option 'C'. Can you explain this answer?
Most Upvoted Answer
Which of the following data structure is useful in traversing a given ...
Breadth First Search (BFS) Algorithm
The Breadth First Search (BFS) algorithm is used to traverse a graph, starting from a source vertex, in a breadth-first manner. It visits all the vertices at the same level before moving to the next level.
Data Structures Used in BFS
BFS algorithm uses a queue data structure to keep track of the vertices that have been visited but not yet explored. The queue is used to maintain the order in which the vertices are visited so that the algorithm can visit them in a breadth-first manner.
Why Queue is used in BFS?
A queue is used in BFS because it follows the First In First Out (FIFO) principle, which makes it easy to maintain the order of visited vertices. The algorithm visits the vertices in the order in which they were added to the queue. This helps to ensure that the algorithm visits all the vertices at the same level before moving to the next level.
Conclusion
In conclusion, the correct answer to the given question is option 'C'. A queue data structure is useful in traversing a given graph by breadth-first search because it maintains the order in which the vertices are visited, making it easy to visit all the vertices at the same level before moving to the next level. It is important to understand the data structures used in BFS to effectively implement the algorithm.
The Breadth First Search (BFS) algorithm is used to traverse a graph, starting from a source vertex, in a breadth-first manner. It visits all the vertices at the same level before moving to the next level.
Data Structures Used in BFS
BFS algorithm uses a queue data structure to keep track of the vertices that have been visited but not yet explored. The queue is used to maintain the order in which the vertices are visited so that the algorithm can visit them in a breadth-first manner.
Why Queue is used in BFS?
A queue is used in BFS because it follows the First In First Out (FIFO) principle, which makes it easy to maintain the order of visited vertices. The algorithm visits the vertices in the order in which they were added to the queue. This helps to ensure that the algorithm visits all the vertices at the same level before moving to the next level.
Conclusion
In conclusion, the correct answer to the given question is option 'C'. A queue data structure is useful in traversing a given graph by breadth-first search because it maintains the order in which the vertices are visited, making it easy to visit all the vertices at the same level before moving to the next level. It is important to understand the data structures used in BFS to effectively implement the algorithm.
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Which of the following data structure is useful in traversing a given ...
BFS performs level-order traversal which can be fairly done using a queue. A queue uses FIFO ordering and the nodes that we enqueue first are explored first maintaining the order of traversal.
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