A1 Write a function Connected Component (G,v) which takes as in-put a dictionary representing a graph G, and one of its verticesv, and returns a set of nodes representing the connected com-ponent of v, implementing the method given in the notes.Hint: Create and update lists called visitednodes repres-enting previously visited nodes, latestnodes representing themost recently visited nodes, and newnodes representing nodesneighbouring those in latestnodes and not included in eitherof the previous categories.A2 Write a function NumberOfComponents (G) which takes as in-put a dictionary representing a graph G and returns a positiveinteger representing its number of connected components.A3 Recall that an ordinary (unweighted) graph can be considered aweighted graph by assigning every edge weight 1. The "shortestpath" from a to b in this interpretation is simply the path froma to b with the fewest edges. This makes Dijkstra's algorithmsimpler as the shortest path from a to b will simply be the firstone found.

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Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Write a function, to be included in an unsorted linked list class, called replace_item, that will receive two parameters, one called olditem, the other called newitem. The function will replace all occurrences of olditem with newitem ( if olditem exists !! ) and it will return the number of replacements done.
Write a Python Code for the given function and conditions: Given function: def insert(self, newElement) Pre-condition: None. Post-condition: This method inserts newElement at the tail of the list. If an element with the same key as newElement already exists in the list, then it concludes the key already exists and does not insert the key.
Please,help me by providing C++ programing solution. Do not use the LinkedList class or any classes that offers list functions. Implement a LinkList in C++. Pease,implement with an ItemType class and a NodeType structThe program should read a data file,and the data file has two lines of data as follow:100, 110, 120, 130, 140, 150, 160100, 130, 160The program will first add all of the numbers from the file,then display all of them,then delete.
Data Structure and algorithms ( in Java ) Please solve it urgent basis: Make a programe in Java with complete comments detail and attach outputs image: Question is inside the image also: a). Write a function to insert elements in the sorted manner in the linked list. This means that the elements of the list will always be in ascending order, whenever you insert the data. For example, After calling insert method with the given data your list should be as follows: Insert 50 List:- 50 Insert 40 List:- 40 50 Insert 25 List:- 25 40 50 Insert 35 List:- 25 35 40 50 Insert 40 List:- 25 35 40 40 50 Insert 70 List:- 25 35 40 50 70 b). Write a program…
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A- Declare a self-referential structure for a linked list having one data StudentNode field called GPA (float), and one pointer to StudentNode called next. B- Write a non-recursive function - that counts all the GPAS that are less than or equal to 2 in your linked list starting from the head of the list. Example: If the list is 1.9->2->3.5->4->1.8, the function should return 3. C- Write a recursive function that prints all the GPAS that are higher or equal to 3.5 in your linked list starting from the head of the list. Example: If the list is 1.9->2->3.5->4->1.8, the function should print: 3.5->4.
True/False Select true or false for the statements below. Explain your answers if you like to receive partial credit. 3) Which of the following is true about the insertBeforeCurrent function for a CircularLinked List (CLL) like you did in programming exercise 1?a. If the CLL is empty, you need to create the new node, set it to current, andhave its next pointer refer to itselfb. The worst case performance of the function is O(n)c. If you insert a new element with the same data value as the current node, theperformance improves to O(log n)
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25. An array-based implementation of an linked list a. requires less memory to store an item than a pointer-based implementation b. is not a good choice for a small list d. has items which explicitly point to the next items c. has a variable access time

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