use python code Write a function ConnectedComponent (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.

def connected_component(G, v): """ Find the connected component of the node v within the…

Answered: Write a function ConnectedComponent…

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 functionLi stNode *removeFirst( ListNode *ptr)that is passed a linked list as parameter and returns the tai l of the list: That is, itremoves the first node and returns what is left. The function should deallocate thestorage of the removed node. The function returns null ptr if the list passed to itis empty.
Linked list. Complete the function that takes as a parameter the head of a linked list and prints the linked list in reverse order. If the linked list had the contents: of,the,and,on,a,an,ok. Then the correct output would be: ok,an,a,on,and,the,of. Given: struct node { char word[31]; struct node *prev, next; }; void print_reverse(struct node *head) { }
Write a Python code using the given function and conditions. Do not use Numpy. Use LinkedList Manipulation. Given function: def insert(self, newElement, index) Pre-condition: The list is not empty. Post-condition: This method inserts newElement at the given index of the list. If an element with the same key as newElement value already exists in the list, then it concludes the key already exists and does not insert the key. [You must also check the validity of the index].
Add a new public member function to the LinkedList class named reverse() which reverses the items in the list. You must take advantage of the doubly-linked list structure to do this efficiently as discussed in the videos/pdfs, i.e. swap each node’s prev/next pointers, and finally swap headPtr/tailPtr. Demonstrate your function works by creating a sample list of a few entries in main(), printing out the contents of the list, reversing the list, and then printing out the contents of the list again to show that the list has been reversed. Note: your function must actually reverse the items in the doubly-linked list, not just print them out in reverse order! Note: we won't use the copy constructor in this assignment, and as such you aren't required to update the copy constructor to work with a doubly-linked list. This is what I have so far but its not working! template<class ItemType>void LinkedList<ItemType>::reverse(){ Node<ItemType>*curPtr,*prev,*next;…
A1 Write a function Connected Component (G,v) which takes as in- put a dictionary representing a graph G, and one of its vertices v, 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 the most recently visited nodes, and newnodes representing nodes neighbouring those in latestnodes and not included in either of the previous categories. A2 Write a function NumberOfComponents (G) which takes as in- put a dictionary representing a graph G and returns a positive integer representing its number of connected components. A3 Recall that an ordinary (unweighted) graph can be considered a weighted graph by assigning every edge weight 1. The "shortest path" from a to b in this interpretation is simply the path from a to b with the fewest edges. This makes Dijkstra's algorithm simpler as the shortest path from a to b…
Implement a program using Doubly LinkedList. Your doubly linked list should store information of students (Reg_no., Name, CGPA, city, age). Your program should provide following functionalities:  Insert at Front  Insert at Rear  Insert in middle  Delete from front  Delete from rear  Delete from middle  Display all the data Data Structures in C++ Needed urgent i will thumb up for you
Complete the examples in the docstring and then write the body of thefollowing function:def same_first_last(L):""" (list) -> boolPrecondition: len(L) >= 2Return True if and only if first item of the list is the same as thelast.>>> same_first_last([3, 4, 2, 8, 3])True>>> same_first_last(['apple', 'banana', 'pear'])>>> same_first_last([4.0, 4.5])"""
Write a function friend_besties() that calculates the "besties" (i.e. degree-one friends) of a given individual in a social network. The function takes two arguments: individual, an individual in the social network, in the form of a string ID. bestie_dict, a dictionary of sets of friends of each individual in the social network (as per the first question of the Project) The function should return a sorted list, made up of all "degree-one" friends for the individual. In the instance that the individual does not have any friends in the social network, the function should return an empty list. Example function calls are: >>> friend_besties('kim', {'kim': {'sandy', 'alex', 'glenn'}, 'sandy': {'kim', 'alex'}, 'alex': {'kim', 'sandy'}, 'glenn': {'kim'}})['alex', 'glenn', 'sandy']>>> friend_besties('ali', {'kim': {'sandy', 'alex', 'glenn'}, 'sandy': {'kim', 'alex'}, 'alex': {'kim', 'sandy'}, 'glenn': {'kim'}})[] Subject: Python Programming
Implements clone which duplicates a list. Pay attention, because if there are sublists, they must be duplicated as well. Understand the implementation of the following function, which recursively displays the ids of each node in a list Develop your solution as follows: First copy the nodes of the current list (self) Create a new list with the copied nodes Loop through the nodes of the new list checking the value field If this field is also a list (use isinstance as in the show_ids function) then it calls clone on that list and substitutes the value. Complete the code: def L4(*args,**kwargs): class L4_class(L): def clone(self): def clone_node(node): return <... YOUR CODE HERE ...> r = <... YOUR CODE HERE...> return r return L4_class(*args,**kwargs)
Implement the function below void swap(int pos1, int pos2) {} For LinkedList, to maintain integrity of data in the structure, you are not to swap directly the element, nor remove a node. Instead, you are to only change the nodes' next pointers. Inital code to be completed: class LinkedList : public List { node* head; node* tail; int index; node* create_node(int num) { node* n = (node*) malloc(sizeof(node)); n->element = num; n->next = NULL; return n; } public: LinkedList() { index = 0; head = NULL; tail = NULL; } int add(int num) { addTail(num); return index; } int get(int pos) { node* currnode = head; int count =0; while (currnode != NULL){ count++; if (count == pos){ return currnode -> element; }else{ currnode = currnode -> next; } }…
Merge2AscListsRecur that combines the nodes in X-list and Y-list into Z-list such that, after calling the function, Z-list is a sorted list (in non-decreasing order) containing all the nodes initially contained in X-list and Y-list – X-list and Y-list should both be empty after the call. The function should: ► Have only three parameters (each a pointer-to-Node) and no return value (be a void function). ► Not use any global variables or static local variables. ► Not use any looping constructs (for, while, do-while, ...). ► Be directly (not indirectly) recursive. ► Not create any new nodes, destroy any existing nodes or copy/replace the data item of any node. ► Not make temporary copies of the data involved using any other storage structures (arrays, stacks, queues, etc.). ► Use (if ever needed) no more than a small number of pointers to hold certain link addresses. ○ Not make temporary copies of the…
Implement a circular singly linked list in C programming language. Create functions for the ff: 1. Transversal 2. Insertion of element (at the beginning, in between nodes, and at the end) 3. Deletion of element 4. Search 5. Sort

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