1classMyQueue {2public:3/** Initialize your data structure here.*/4MyQueue() {56}78/** Push element x to the back of queue.*/9voidpush(intx) {10stkPush.push(x);11}1213/** Removes the element from in front of queue and returns that element.*/14intpop() {15intval;16if(stkPo...
[Lintcode] 40. Implement Queue by Two Stacks/[Leetcode]225. Implement Stack using Queues 40. Implement Queue by Two Stacks / 225. Implement Stack using Queues 本题难度: Medium/Easy Topic: Data Structure - stack/queue Description As the title described, you should only use two stacks to ...
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. Example: MyQueue queue = new MyQueue(...
简介:A classic interview question. This link has a nice explanation of the idea using two stacks and its amortized time complexity. A classic interview question.This linkhas a nice explanation of the idea using two stacks and its amortized time complexity. I use the same idea in my code, w...
Leetcode 232 Implement Queue using Stacks 和 231 Power of Two,1.232ImplementQueueusingStacks1.1问题描写叙述使用栈模拟实现队列。模拟实现例如以下操作:push(x).将元素x放入队尾。pop().移除队首元素。peek().获取队首元素。empty().推断队列是否为空。注意:仅仅能
Homework queue:leetcode 353 641 622 stack 150 155 224 225 232 Q: How to implement a queue using two stacks image.png classQueue:def__init__(self):self.s1
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). Implement the MyQueue class: void push(int x) Pushes element x to the back of the queue. ...
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, andempty). Implement theMyQueueclass: void push(int x)Pushes element x to the back of the queue. ...
题目地址:Implement Queue using Stacks - LeetCode Implement the following ope...232Implement Queue using Stacks用栈实现队列 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。 示例:...
package leetcode type MyQueue struct { Stack *[]int Queue *[]int } /** Initialize your data structure here. */ func Constructor232() MyQueue { tmp1, tmp2 := []int{}, []int{} return MyQueue{Stack: &tmp1, Queue: &tmp2} } /** Push element x to the back of queue. */ fu...