hello-algo/en/docs/chapter_stack_and_queue/index.md

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Chapter 5.   Stack and queue

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!!! abstract

A stack is like cats placed on top of each other, while a queue is like cats lined up one by one.

They represent the logical relationships of Last-In-First-Out (LIFO) and First-In-First-Out (FIFO), respectively.

Chapter contents

• 5.1   Stack
• 5.2   Queue
• 5.3   Double-ended queue
• 5.4   Summary