Java C C++ # Queue implementation in PythonclassQueue():def__init__(self, k):self.k = k self.queue = [None] * k self.head = self.tail =-1# Insert an element into the queuedefenqueue(self, data):if(self.tail ==
In Java, we must importjava.util.Queuepackage in order to useQueue. // LinkedList implementation of QueueQueue<String> animal1 =newLinkedList<>();// Array implementation of QueueQueue<String> animal2 =newArrayDeque<>();// Priority Queue implementation of QueueQueue<String> animal3 =newPriorityQ...
1、队列 Queue :FIFO Queue Data Structure and Implementation in Java, Python and C/C++ (programiz.com) (8) Explore - LeetCode 学习目标 bfs - 广度优先搜索 ; dfs - 深度优先搜索 队列分头尾,元素从尾部插入(enqueue),头部出/删除 (dequeue),只允许从头部移除。 出入队列 队列基本操作 队列操作 操作...
Java C C++ # Circular Queue implementation in PythonclassMyCircularQueue():def__init__(self, k):self.k = k self.queue = [None] * k self.head = self.tail =-1# Insert an element into the circular queuedefenqueue(self, data):if((self.tail +1) % self.k == self.head):print("...
Java C C++ # Priority Queue implementation in Python# Function to heapify the treedefheapify(arr, n, i):# Find the largest among root, left child, and right childlargest = i l =2* i +1r =2* i +2ifl < nandarr[i] < arr[l]: largest = lifr < nandarr[largest] < arr[r]: la...
languages.push("Java"); // get the size of queueintsize = languages.size(); cout<<"Size of the queue: "<< size;return0; } Run Code Output Size of the queue: 3 In the above example, we have created apriority_queueof strings calledlanguagesand added 3 elements to it. ...