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---
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comments: true
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icon: material/stack-overflow
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---
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2024-04-06 03:02:20 +08:00
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# Chapter 5. Stack and queue
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{ class="cover-image" }
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!!! abstract
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2024-01-28 22:31:08 +08:00
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A stack is like cats placed on top of each other, while a queue is like cats lined up one by one.
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2024-01-28 22:31:08 +08:00
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They represent the logical relationships of Last-In-First-Out (LIFO) and First-In-First-Out (FIFO), respectively.
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## Chapter Contents
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- [5.1 Stack](https://www.hello-algo.com/en/chapter_stack_and_queue/stack/)
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- [5.2 Queue](https://www.hello-algo.com/en/chapter_stack_and_queue/queue/)
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- [5.3 Double-ended queue](https://www.hello-algo.com/en/chapter_stack_and_queue/deque/)
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- [5.4 Summary](https://www.hello-algo.com/en/chapter_stack_and_queue/summary/)
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