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  1. 123

    Queue problems are essential for understanding various real-world applications like scheduling, breadth-first search (BFS), and more. Here are some notable queue-related problems on LeetCode:

    Easy Problems

    1. Implement Queue using Stacks (232): Implement a queue using two stacks to handle enqueue and dequeue operations.

    2. Design Circular Queue (622): Design a circular queue supporting efficient operations with a fixed capacity.

    3. Moving Average from Data Stream (346): Maintain a moving average of integers from a data stream using a fixed-size queue.

    4. Number of Recent Calls (933): Count the number of calls received within a given time frame using a sliding window.

    5. First Unique Character in a String (387): Find the first non-repeating character in a string using a queue.

    Medium Problems

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  2. 力扣
    https://leetcode.cn › problems › implement-queue-using-stacks

    232. 用栈实现队列 - 力扣（LeetCode）

    你可以使用 list 或者 deque（双端队列）来模拟一个栈，只要是标准的栈操作即可。 输出： . 解释： . 你能否实现每个操作均摊时间复杂度为 O(1) 的队列？ 换句话说，执行 n 个操作的总时间复杂度为 O(n) …

    • 请你仅使用两个栈实现先入先出队列。队列应当支持一般队列支持的所有操作（push、pop、peek、empty）： 实现 MyQueue 类： void push (int x) 将元素 …

    仅显示来自 leetcode.cn 的搜索结果
  3. LeetCode
    https://leetcode.com › problem-list › queue翻译此结果

    Queue - LeetCode

    Level up your coding skills and quickly land a job. This is the best place to expand your knowledge and get prepared for your next interview.

  4. CSDN博客
    https://blog.csdn.net › AXIMI › article › details

    【JAVA】leetcode刷题基础：Queue队列（Queue、PriorityQueue）

    2024年5月27日 · 本文深入探讨了队列（Queue）和优先级队列（PriorityQueue）的概念及用法，包括如何使用offer、peek、poll和size等方法进行元素的添加、查看和删除操作。 特别讲解了PriorityQueue …

  5. Github
    https://github.com › Stack-and-Queue翻译此结果

    GitHub - sarthakpawar0912/Stack-and-Queue: This Java project …

    Welcome to the Stack and Queue Java Project! This repository includes custom implementations of Stack and Queue, various LeetCode problems solved using them, and examples of class-based …

  6. doocs.org
    https://leetcode.doocs.org › en › lc翻译此结果

    232. Implement Queue using Stacks - LeetCode Wiki

    Implement a first in first out (FIFO) queue using only two stacks. The implemented queue should support all the functions of a normal queue (push, peek, pop, and empty).

  7. jasontokarski.com
    https://jasontokarski.com › leetcode-implement-q…翻译此结果

    LeetCode: Implement Queue using Stacks - Learn Code

    2024年7月25日 · In this article you will learn how to use two stacks to implement your own queue. n this problem, the programmer is tasked with implementing …

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  9. Leetcode
    https://leetcode.ca › all翻译此结果

    232. Implement Queue using Stacks - Leetcode

    You may simulate a stack by using a list or deque (double-ended queue), as long as you use only standard operations of a stack. You may assume that all operations are valid (for example, no pop or …

  10. fandom.com
    https://leetcode.fandom.com › wiki › Queue翻译此结果

    Queue | LeetCode Wiki | Fandom

    Queue is a linear data structure for storing and retrieving data. A queue provides special methods to insert (push), remove (pop), or inspect (peek) elements in certain orders.

  11. DEV Community
    https://dev.to翻译此结果

    Queues: 50 Leetcode Questions - DEV Community

    2024年12月10日 · Queues are an essential data structure used in many real-world applications like scheduling, breadth-first search (BFS), and more. Below is a …

  12. LeetCode
    https://leetcode.com › problems › implement-que…翻译此结果

    Implement Queue using Stacks - LeetCode

    Implement Queue using Stacks - Implement a first in first out (FIFO) queue using only two stacks. The implemented queue should support all the functions of a …

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