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Data Structures and algorithms A priority queue is implemented as a heap: Show the heap would...
In class, we discussed the priority queue (PQ) ADT implemented using min-heap. In a min-heap, the element of the heap with the smallest key is the root of the binary tree. On the other hand, a max-heap has as root the element with the biggest key, and the relationship between the keys of a node and its parent is reversed of that of a min-heap. We also discussed an array-based implementation of heaps. In this assignment, your task is to...
5. Consider a priority queue of strings with an integer priority. The queue us implemented as a min heap using a 0-based array of size 8 with methods push(entry, priority) and pop(). Determine the priority queue contents, represented both as an array and as a tree, at the points indicated below during the following operations on the ADT. Write down the queue contents after the operation on the given line is executed. 1. priority_queue<string, int> pq; 2. pq.push("start", 10); 3....
The tree diagram below depicts a heap being used to implement a priority queue. Enqueue the value 6 onto the priority queue, then execute a dequeue. After those two operations have been completed, what does the underlying array look like? List the elements in the resulting heap in the order in which they appear in the array, from left to right.
Write a program in Java to implement the max-priority queue using max-heap data structure. Implement the max-heap data structure using an integer array of 10 cells. (Do not use Java in-built PriorityQueue class.) [In a max-heap, the root node and the intermediate node vales are always greater than their children.] First, take 10 integer values from the user and insert them in the max-priority queue. Then print the elements of the queue. After that, delete two elements from the queue...
Indicate the time efficiency classes of the three main operations of the priority queue implemented as a. an unsorted array. b. a sorted array. c. a binary search tree. d. an AVL tree. e. a heap.
please justify. A Fibonacci heap is a fancy priority queue data structure. For a heap of size n, it takes O(log n) time to do an extractMin() operation but only O(1) time to do an insert or decrease operation. Suppose we replace the binary heap used in Dijkstra's algorithm by a Fibonacci heap. 6. If the graph is dense, what is the asymptotic complexity of Dijkstra's algorithm using a Fibonacci heap, in terms of V|? 7. If the graph is...
C++ Data structures and Algorithms Use a Queue to reverse a stack in place. Assume you are given a stack of string values like Stack s; using a Queue, cause all of the items in the stack to be reversed. For example, if you have the following contents on the stack s Top --- bird cat dog turtle ----- Bottom After you run your code, you stack contents should look like Top --- turtle dog cat bird ----- Bottom
Using C++, data structures, C++ STL, inputs and expected outputs are shown below. Max Heap Heap is a specialized tree-based data structure that satisfies the heap property: if P is a parent node of C, then the key (the value) of P is either > (in a max heap) or s (in a min heap) the key of C. The node at the "top" of the heap (with no parents) is called the root node. In binary-tree based heap, it...
Data Structures and Algorithms (Java Programming) Write an insert function for a heap class as well as all support functions that are called by your insert function.
Write MaxheapPriorityQueue constructor, which takes an array of data, and construct the max heap priority queue using bottom-up algorithm. Assuming bubbleDown method is provided. What is the best-case and worst-case of insertionSort? What is the best-case and worst-case of mergeSort? What is the best-case and worst-case of quickSort?