What are the differences between stacks and queues?
Stacks and queues are both data structures, but they operate differently. A stack follows the Last In First Out (LIFO) principle, while a queue follows the First In First Out (FIFO) principle.
Can you give me an example of how each one works?
Sure! In a stack, if you push 1, 2, and 3, popping will give you 3, then 2, then 1. In a queue, if you enqueue 1, 2, and 3, dequeuing will give you 1, then 2, then 3.
What are some real-world applications of stacks and queues?
Stacks are used in function calls and undo mechanisms, while queues are used in scheduling tasks and managing requests in servers.
Which one is more efficient for certain tasks?
It depends on the task. Stacks are more efficient for tasks that require backtracking, while queues are better for tasks that require order preservation.
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