bool Graph::searchNeighbors (int nodeId, int neighborId) {Node* current = vertices[nodeId];while (current != nullptr) {if (current->data == neighborId) {return true;current = current->next;}}}return false;void Graph::loadGraph(string edgeListFileName){ifstream file(edgeListFileName);int u, v;if (file.is_open()) {while (file >> u » v) {addNeighbor (u, v);file.close();}}}void Graph::dumpGraph(string adj ListFileName) {ofstream file(adj ListFileName);if (file.is_open() ) {for (size_t i = 0; i < vertices.size(); i++) {file << i << ": ";Node* current = vertices[i];while (current != nullptr) {}file << current->data << " ";current = current->Next;file << endl;}file.close();}} Test 4: Toy graph, adjacency list (0/2)Test failed!

The code you provided seems to be a part of a larger graph implementation, and it is difficult to…

Answered: bool Graph::searchNeighbors (int…

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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using namespace std; class SinglyLinkedListNode { // INSERT YOUR CODE HERE }; class SinglyLinkedList { public: SinglyLinkedListNode *head; SinglyLinkedListNode *tail; SinglyLinkedList() { this->head = nullptr; this->tail = nullptr; } voidinsert_node(intnode_data) { // INSERT YOUR CODE HERE } }; void free_singly_linked_list(SinglyLinkedListNode* node) { // INSERT YOUR CODE HERE } // Complete the has_cycle function below. /* * For your reference: * * SinglyLinkedListNode { * int data; * SinglyLinkedListNode* next; * }; * */ bool has_cycle(SinglyLinkedListNode* head) { SinglyLinkedListNode* temp = head; bool isCycle = false; while (temp != nullptr) { // INSERT YOUR CODE HERE } } int main() { // INSERT YOUR CODE HERE TO TEST YOUR CODE return0; }
//main.cpp #include "linkedListType.h"int main(){Node* head = NULL;orderedLinkedList oll = orderedLinkedList(head); oll.insert(40);oll.insert(100);oll.insert(50); oll.printList(); oll.insert(50);oll.printList(); return 0;} //linkedListType.h #include <stdio.h>#include <iostream>using namespace std; class Node{public:int data;Node* next;}; class orderedLinkedList {Node* head; public:orderedLinkedList(Node* h) {head = h;} void insert(int new_data){Node* head_ref = head; while (head_ref != NULL && (head_ref->next != NULL) && (head_ref->next)->data < new_data){cout << head_ref->data << "\n";head_ref = head_ref->next;} if (head_ref != NULL && (head_ref->next != NULL) && (head_ref->next)->data == new_data){cout << "ERROR: Item to be inserted is already in the list\n";return;} /* Insert new node */Node* new_node = new Node();new_node->data = new_data;if (head_ref != NULL) {new_node->next =…
class LinkedList { Node head; Node tail; Node findNodeWithData(int data); void addDataAfterNode(int data, Node noderef); } class Node {private int data; private Node next;public void setNextNode(data); public Node getNextNode(); }2. What JUnit test cases will you create for the LinkedList class: a. void findNodeWithData(int data); b. addDataAfterNode();3. Write your JUnit test case for testing the two methods above
TranposeGraph import java.io.*; import java.util.*; // This class represents a directed graph using adjacency list // representation class ALGraph{ private int vertices; // No. of vertices // Array of lists for Adjacency List Representation private LinkedList adj[]; // Constructor ALGraph(int vertices) { this.vertices = vertices; adj = new LinkedList[this.vertices]; for (int i=0; i getAdjacentList(int v) { return adj[v]; } //Function to add an edge into the graph void addEdge(int v, int w) { adj[v].add(w); // Add w to v's list. } // TODO Transpose graph // If the graph includes zero vertices, return null // Create a new ALGraph // For every vertex, retrieve its adjacent list, make a pass over the list and rewrite each edge (u, v) to be (v, u) and add the u into the adjacent list of v public ALGraph transpose(){…
class Node { public: Node() : data(0), prev(nullptr), next(nullptr) {} Node(int theData, Node* prevLink, Node* nextLink) : data(theData), prev(prevLink), next(nextLink) {} int getData() const { return data; } Node* getPrev() const { return prev; } Node* getNext() const { return next; } void setData(int theData) { data = theData; } void setPrev(Node* prevLink) { prev = prevLink; } void setNext(Node* nextLink) { next = nextLink; } ~Node(){} private: int data; Node* prev; Node* next; }; class AnyList { // friend function overloads the insertion operation public: // copy constructor // overloaded assignment operator // other member functions not necessary for your implementation private: Node *first; Node *last; int count; }; please help write copy constructor #include "AnyList.h" #include <iostream> using namespace std; // Definition of copy constructor // Instructions omitted intentionally. // Your code
None
Write a code that will print the deleted number class LinkedList { static Node head; static class Node { int data; Node next; Node(int d) { data = d; next = null; } } void duplicateremove() { Node ptr1 = null, ptr2 = null, dup = null; ptr1 = head; while (ptr1 != null && ptr1.next != null) { ptr2 = ptr1; while (ptr2.next != null) { if (ptr1.data == ptr2.next.data) { ptr2.next = ptr2.next.next; System.gc(); } else { ptr2 = ptr2.next; } } ptr1 = ptr1.next; } } void printList(Node node) { while (node != null) { System.out.print(node.data + " "); node = node.next; } } public static void main(String[] args) { LinkedList list = new LinkedList();…
public class CustomLinkedList { public static int findMax(IntNode headObj) { /* Type your code here */ } public static void main(String[] args) { IntNode headObj; IntNode currObj; IntNode lastObj; int i; int max; // Create head node headObj = new IntNode(-1); lastObj = headObj; // Add nodes to the list for (i = 0; i < 20; ++i) { currObj = new IntNode(i); lastObj.insertAfter(currObj); lastObj = currObj; } max = findMax(headObj); System.out.println(max); }}
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.
public class Node extends Object { public T data; public Node next; public Node () { data = null; next = null; } public Node (T val) { data = val; next = null; }} public class LinkList extends Object { private Node head; private Node current; public LinkList (){ head = current = null; } public boolean empty () { return head == null; } What does the fpllowing code do? public Node remove() { if (empty()) return null; Node temp,c; c = head; while(c.next != null) temp = c; c = c.Next; } temp.next = null; size--; return c;
Given the following definition for a LinkedList: // LinkedList.h class LinkedList { public: LinkedList(); // TODO: Implement me void printEveryOther() const; private: struct Node { int data; Node* next; }; Node * head; }; // LinkedList.cpp #include "LinkedList.h" LinkedList::LinkedList() { head = nullptr; } Implement the function printEveryOther, which prints every other data value (i.e. those at the odd indices assuming 0-based indexing).
public class Node extends Object { public T data; public Node next; public Node () { data = null; next = null; } public Node (T val) { data = val; next = null; }} public class LinkList extends Object { private Node head; private Node current; public LinkList () { head = current = null; } public boolean empty () { return head == null; } What does the following code do? public Node remove() { if(empty()) return nul%; Node temp, c; C = head; while(c.next ! null) { temp = c; C = c.Next; } temp.next = null; size--; return c; }

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