#include <stdio.h> #define MAX_SIZE 100 // Define the maximum size of the queue int queue[MAX_SIZE]; // Declare an array to store queue elements int front = -1; // Initialize front of the queue int back = -1; //
Java example to implement Queue using ArrayDeque class. Submitted byNidhi, on April 28, 2022 Problem statement In this program, we will create 3 queues using theQueueinterface with the help ofArrayDequeueclass and store elements in a FIFO (First In First Out) manner. Here, we will compare ...
232. 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. peek() – Get the front element. empty() – Return whether the queue is empty...
题目 大意是使用queue队列(仅用标准操作)来实现stack的操作。 我的代码 主要思路:使用了双端队列,但默认屏蔽一些功能。使用了popleft() 和append()来实现。 优秀代码(使用类似rotate()方法)... 225. Implement Stack using Queues Implement the following operations of a stack using queues. push(x) -- Push...
C language program to implement stack using array #include<stdio.h>#defineMAX 5inttop=-1;intstack_arr[MAX];/*Begin of push*/voidpush(){intpushed_item;if(top==(MAX-1))printf("Stack Overflow\n");else{printf("Enter the item to be pushed in stack :");scanf("%d",&pushed_item);top...
【LeetCode题解】232_用栈实现队列(Implement-Queue-using-Stacks) 目录 描述 解法一:在一个栈中维持所有元素的出队顺序 思路 入队(push) 出队(pop) 查看队首(peek) 是否为空(empty) Java 实现 Python 实现 解法二:一个栈入,一个栈出 思路 入队(push) 出队(pop) 查看队首(peek) 是否为空(empty) ...
* Push element x to the back of queue. *@paramInteger $x *@returnNULL */functionpush($x){while(!$this->empty()) {$this->stack2[] =array_pop($this->stack1); }$this->stack1[] =$x;while(!empty($this->stack2)) {$this->stack1[] =array_pop($this->stack2); ...
The process of deletion in the queue is known as dequeue and the element will be deleted from the front end. How to implement the Stack using a Single Queue? The Stack can be easily implemented by making the insertion operation costly. For the push operation i.e. the insertion operation,...
232. 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 front element. ...
225. Implement Stack using Queues Solution Analysis: Take advantage of the characteristics of the js array, where the top of the stack is at the head of the array. Code: /** * Initialize your data structure here. */ var MyQueue = function() { this.queue = [] }; /** * Push elem...