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大家好，我是小魔龙，Unity3D软件工程师，VR、AR，虚拟仿真方向，不定时更新软件开发技巧，生活感悟，觉得有用记得一键三连哦。一、题目1、算法题目“使用两个队列实现一个后入先出的栈，支持栈的全部四种操作。”2、题目描述请你仅使用两个队列实现一个后入先出（LIFO）的栈，并支持普通栈的全部四种操作...

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代码随想录算法训练营第三十四天 | LeetCode 860. 柠檬水找零、406. 根据身高重建队列、452. 用最少数量的箭引爆气球文章链接：柠檬水找零根据身高重建队列 &...

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代码随想录算法训练营第十天 | LeetCode 232.用栈实现队列、LeetCode 225. 用队列实现栈

1. 栈与队列理论基础1.1 栈-概念栈：一种特殊的线性表，其只允许在固定的一端进行插入和删除元素操作。进行数据插入和删除操作的一端称为栈顶，另一端称为栈底。栈中的数据元素遵守后进先出LIFO （ Last In First Out ）的原则。压栈：栈的插入操作叫做进栈 / 压栈 / 入栈， ...

算法打卡Day15_leetcode _232 用栈实现队列

Leetcode原题232.用栈实现队列思路我们都知道栈是”先入后出”，队列是先入先出。而题目要求使用2个栈去实现一个队列的特性。那么怎么操作呢。我们可以定义一个入栈，一个出栈。添加元素时，我们放入inStack中，但是因为栈的特殊先入后出。比如 1 2 3.入栈以后变为 3 2 1 。这个时候...

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