Java C C++ # Queue implementation in Python class Queue(): def __init__(self, k): self.k = k self.queue = [None] * k self.head = self.tail = -1 # Insert an element into the queue def enqueue(self, data): if (self.tail == self.k - 1): print("The queue is full\n"...
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...
In the above example, we have created apriority_queueof integers callednumbers. Here, we have used thepush()method to insert the following elements into the queue:1,20,7. numbers.push(1); Notice that we have pushed elements in random order but when printing them we get the integers sorte...
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...