BFS use _____________, DFS uses__________ data structure.2 pointsStack, QueueQueue, StackEnqueue, DequeuePUSH, POP
Question
BFS use _____________, DFS uses _________ data structure.
- Stack, Queue
- Queue, Stack
- Enqueue, Dequeue
- PUSH, POP
Solution
Answer
BFS (Breadth-First Search) uses a Queue data structure, and DFS (Depth-First Search) uses a Stack data structure.
Explanation
- BFS explores all the neighbor nodes at the present depth prior to moving on to nodes at the next depth level, utilizing the FIFO (First In, First Out) characteristic of a queue.
- DFS explores as far down a branch as possible before backtracking, which is efficiently handled by the LIFO (Last In, First Out) nature of a stack.
Thus, the correct answer is: Queue, Stack.
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