'commit'
This commit is contained in:
78
C++专题课程/到LeedCode刷题/leetcode基础篇/232.用栈实现队列.cpp
Normal file
78
C++专题课程/到LeedCode刷题/leetcode基础篇/232.用栈实现队列.cpp
Normal file
@@ -0,0 +1,78 @@
|
||||
/*/*******************************************************************************
|
||||
** **
|
||||
** Jiedi(China nanjing)Ltd. **
|
||||
** 创建:丁宋涛 夏曹俊,此代码可用作为学习参考 **
|
||||
*******************************************************************************/
|
||||
|
||||
/*****************************FILE INFOMATION***********************************
|
||||
**
|
||||
** Project : 算法设计与编程实践---基于leetcode的企业真题库
|
||||
** Contact : xiacaojun@qq.com
|
||||
** 博客 : http://blog.csdn.net/jiedichina
|
||||
** 视频课程 : 网易云课堂 http://study.163.com/u/xiacaojun
|
||||
腾讯课堂 https://jiedi.ke.qq.com/
|
||||
csdn学院 https://edu.csdn.net/course/detail/25037
|
||||
** 51cto学院 http://edu.51cto.com/lecturer/index/user_id-100013755.html
|
||||
** 老夏课堂 http://www.laoxiaketang.com
|
||||
**
|
||||
** 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
|
||||
** 微信公众号 : jiedi2007
|
||||
** 头条号 : 夏曹俊
|
||||
**
|
||||
*****************************************************************************
|
||||
//!!!!!!!!! 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*/
|
||||
/*
|
||||
* @lc app=leetcode.cn id=232 lang=cpp
|
||||
*
|
||||
* [232] 用栈实现队列
|
||||
*/
|
||||
class MyQueue {
|
||||
public:
|
||||
/** Initialize your data structure here. */
|
||||
MyQueue() {
|
||||
|
||||
}
|
||||
|
||||
/** Push element x to the back of queue. */
|
||||
void push(int x) { // 将元素放入栈底
|
||||
stack<int> temp;
|
||||
while(s.empty() == false){
|
||||
temp.push(s.top());
|
||||
s.pop();
|
||||
}
|
||||
s.push(x);
|
||||
while(temp.empty() == false){
|
||||
s.push(temp.top());
|
||||
temp.pop();
|
||||
}
|
||||
}
|
||||
|
||||
/** Removes the element from in front of queue and returns that element. */
|
||||
int pop() {
|
||||
int tmp = s.top();
|
||||
s.pop();
|
||||
return tmp;
|
||||
}
|
||||
|
||||
/** Get the front element. */
|
||||
int peek() {
|
||||
return s.top();
|
||||
}
|
||||
|
||||
/** Returns whether the queue is empty. */
|
||||
bool empty() {
|
||||
return s.empty();
|
||||
}
|
||||
private:
|
||||
stack<int> s,temp;
|
||||
};
|
||||
|
||||
/**
|
||||
* Your MyQueue object will be instantiated and called as such:
|
||||
* MyQueue* obj = new MyQueue();
|
||||
* obj->push(x);
|
||||
* int param_2 = obj->pop();
|
||||
* int param_3 = obj->peek();
|
||||
* bool param_4 = obj->empty();
|
||||
*/
|
||||
|
||||
Reference in New Issue
Block a user