79 lines
2.6 KiB
C++
79 lines
2.6 KiB
C++
/*/*******************************************************************************
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** **
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** Jiedi(China nanjing)Ltd. **
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** 创建：丁宋涛 夏曹俊，此代码可用作为学习参考 **
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*******************************************************************************/
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/*****************************FILE INFOMATION***********************************
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**
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** Project : 算法设计与编程实践---基于leetcode的企业真题库
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** Contact : xiacaojun@qq.com
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** 博客 : http://blog.csdn.net/jiedichina
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** 视频课程 : 网易云课堂 http://study.163.com/u/xiacaojun
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腾讯课堂 https://jiedi.ke.qq.com/
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csdn学院 https://edu.csdn.net/course/detail/25037
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** 51cto学院 http://edu.51cto.com/lecturer/index/user_id-100013755.html
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** 老夏课堂 http://www.laoxiaketang.com
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**
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** 算法设计与编程实践---基于leetcode的企业真题库 课程群 ：296249312 加入群下载代码和交流
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** 微信公众号 : jiedi2007
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** 头条号 : 夏曹俊
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**
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*****************************************************************************
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//！！！！！！！！！ 算法设计与编程实践---基于leetcode的企业真题库 课程 QQ群：296249312 下载代码和交流*/
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/*
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* @lc app=leetcode.cn id=232 lang=cpp
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*
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* [232] 用栈实现队列
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*/
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class MyQueue {
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public:
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/** Initialize your data structure here. */
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MyQueue() {
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}
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/** Push element x to the back of queue. */
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void push(int x) { // 将元素放入栈底
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stack<int> temp;
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while(s.empty() == false){
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temp.push(s.top());
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s.pop();
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}
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s.push(x);
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while(temp.empty() == false){
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s.push(temp.top());
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temp.pop();
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}
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}
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/** Removes the element from in front of queue and returns that element. */
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int pop() {
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int tmp = s.top();
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s.pop();
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return tmp;
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}
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/** Get the front element. */
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int peek() {
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return s.top();
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}
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/** Returns whether the queue is empty. */
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bool empty() {
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return s.empty();
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}
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private:
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stack<int> s,temp;
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};
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/**
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* Your MyQueue object will be instantiated and called as such:
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* MyQueue* obj = new MyQueue();
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* obj->push(x);
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* int param_2 = obj->pop();
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* int param_3 = obj->peek();
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* bool param_4 = obj->empty();
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*/
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