*/functionpop(){if(empty($this->stack2)) {while(!empty($this->stack1)) {$this->stack2[] =array_pop($this->stack1); } }returnarray_pop($this->stack2); }/** * Get the front element. *@returnInteger */functionpeek(){if(empty($this->stack2)) {while(!empty($this->stack1)...
这里采取第一种比较笨的方法,代码如下所示: 1classQueue {2public:3//Push element x to the back of queue.4voidpush(intx) {5s1.push(x);6}78//Removes the element from in front of queue.9voidpop(void) {10while(!s1.empty()){11s2.push(s1.top());12s1.pop();13}14s2.pop();15wh...
Implement Queue using Stacks 两个栈实现队列 leetcode oj文章分类Html/CSS Implement Queue using Stacks Implement the following operations of a queue using stacks. push(x) -- Push element x to the back of queue. pop() -- Removes the element from in front of queue. peek() -- Get the fron...
1 读题 LeetCode 232E 用栈实现队列 Implement Queue using Stacks 2 Python 解题 正如咱们前面那个问题,list 既可以实现栈,还能实现列表,所以咱这题的代码,和那个队列模拟栈的就很类似了。 ## LeetCode 232## Impletement Queue using StackclassMyQueue:def__init__(self):self.l1=[]## stack 1 = l1se...
【Leetcode】Implement Queue using Stacks 题目链接:https://leetcode.com/problems/implement-queue-using-stacks/题目: Implement the following operations of a queue using stacks. push(x) -- Push element x to the back of queue. pop() -- Removes the element from in front of queue....
Implement the following operations of a queue using stacks. push(x) -- Push element x to the back of queue. pop() -- Removes the element from in front of queue. peek() -- Get the front element. empty() -- Return whether the queue is empty. ...
Implement the following operations of a queue using stacks. push(x) -- Push element x to the back of queue. pop() -- Removes the element from in front of queue. peek() -- Get the front element. empty() -- Return whether the queue is empty. ...
shiftStack();if(!_old.empty())return_old.top();return0; }//Return whether the queue is empty.boolempty(void) {return_old.empty() &&_new.empty(); }private: stack<int>_old, _new; }; 用栈来实现队列[LeetCode] Implement Queue using Stacks,如需转载请自行联系原博主。
题目链接: Implement Queue using Stacks : https://leetcode.com/problems/implement-queue-using-stacks/ 用栈实现队列: https://leetcode.cn/problems/implement-queue-using-stacks/ LeetCode 日更第345天,感谢阅读至此的你 欢迎点赞、收藏鼓励支持小满...
LeetCode 232. Implement Queue using Stacks 简介:使用栈实现队列的下列操作:push(x) -- 将一个元素放入队列的尾部。pop() -- 从队列首部移除元素。peek() -- 返回队列首部的元素。empty() -- 返回队列是否为空。 Description Implement the following operations of a queue using stacks....