What data structure is used for depth first traversal of a graph? O A. list O B. none of these answers queue OD. stack
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- the number of edges in a complete 2 of 2 undirected graph of 80 vertices is.? Select one: a. exactly equals 3160 b. None c. less than or equals 3160 d. less than or equals 6320 e. exactly equals 6320 Assume that you have a doubly link list. Pointer x is pointing to the last node in the link list and pointer y is pointing to before the last node. which of the following will remove the node pointed by x from the list? Select one: O a. delete x; b. y->prev->next = y->next; X->prev= y->prev; delete x; O C. X->prev->next = x->next; y->prev= x->prev; delete x; O d. x->next = y; y->prev = x->prev; delete x;A is a structure that allows multiple connections between the objects (Select the BEST answer) O a. queue O b. graph O c. linked list O d. tree O e. stackThe linked list is إختر أحد الخيارات: a. Array of nodes structure b. array of pointers each one point to node structure c. A link that points to another link d. a pointer that points to node structure أخلِ اختياري
- ADT Graph Iterator: Create either a DFS graph iterator or a BFS graph iterator by implementing java.util.lterator interface. An ADT graph iterator should have a reference to an ADT graph. It should also have a DFS search method or a BFS search method.Given a linked list, how can we check if the linked list has loop or not. The diagram below shows a linked list with a loop. 1 2 3 4 Describe your algorithm and keep the posting to the topic.plz change it to 8 columns and 8 rows #include <stdio.h>#include <stdlib.h>intsourceV,Vertex,Edge,time,visited[10],Graph[10][10];void DepthFirstSearch(inti){int j;visited[i]=1;printf(" %d->",i++);for(j=0;j<Vertex;j++){if(Graph[i][j]==1&&visited[j]==0)DepthFirstSearch(j);}}intmain(){inti,j,vertex1,vertex2;printf("\t\t\tGraphs\n");printf("Enter no. of edges:");scanf("%d",&Edge);printf("Enter no. of vertices:");scanf("%d",&Vertex);for(i=0;i<Vertex;i++){for(j=0;j<Vertex;j++)Graph[i][j]=0;}for(i=0;i<Edge;i++){printf("Enter the edges in V1 V2 : ");scanf("%d%d",&vertex1,&vertex2);Graph[vertex1-1][vertex2-1]=1;}for(i=0;i<Vertex;i++){for(j=0;j<Vertex;j++)printf(" %d ",Graph[i][j]);printf("\n");}printf("Enter source Vertex: ");scanf("%d",&sourceV);DepthFirstSearch(sourceV-1);return 0;}
- IN java Make a dijkestra algorithm that is efficient with large data sets Runs Dijkstra's algorithm on the graph, starting at the node specified by the start parameter. * Return a map where the key is the name of the node and the value is the distance from the start node. * The start node should be included in the returned map, with the value 0 as the distance. * * @param start - a5.Node to start Dijkstra's algorithm at * @return Map of all the nodes in the graph and the distance to the start a5.Node. */ these is the description of the method the method signature is below public Map<String, Double> dijkstra(String start); Class that this method is in is below public class GraphImpl implements Graph { Map<String, Node> nodes; //do not delete, use this field to store your nodes // key: name of node. value: a5.Node object associated with name privateinttotaledges; publicGraphImpl() { nodes = newHashMap<>();…In Java, a linked list always terminates with a node that is null. True O FalseWhich is true? a. A LinkedList offers faster element insertion than an ArrayList b. A List implements the LinkedList interface c. A LinkedList implements the ArrayList interface d. A LinkedList offers faster positional access than an ArrayList
- python language Write a function that generate all of the edges in a Graph. INPUT: Graph (as a Dictionary) OUTPUT: Nothing is output RETURNED: The resulting List of edgesEach node(cell) in a singly linked list has ......fields Select one: a.3 b.1 c.4 d.2python help. Write a LikedQueue (code at bottom) Test it by: Add numbers from 13 to 23 in the queue. Print the length of the queue Check if the queue is empty Show the item at the front of the queue Remove the first item in the queue Add 100 to the queue Remove all items in the queue Check if the queue is empty """File: linkedqueue.pyAuthor: Ken Lambert"""from node import Nodefrom abstractcollection import AbstractCollectionclass LinkedQueue(AbstractCollection):"""A link-based queue implementation."""# Constructordef __init__(self, sourceCollection = None):"""Sets the initial state of self, which includes thecontents of sourceCollection, if it's present."""self.front = self.rear = NoneAbstractCollection.__init__(self, sourceCollection)# Accessor methodsdef __iter__(self):"""Supports iteration over a view of self."""passdef peek(self):"""Returns the item at the front of the queue.Precondition: the queue is not empty.Raises: KeyError if the stack is empty."""if self.isEmpty():raise…