Which XXX completes the Append() function in the C++ LinkedList class for a singly- linked list? void Append(Node* newNode) { if (head } } nullptr) { head = newNode; tail newNode; } else { XXX tail = newNode; head->next = newNode; tail->next newNode; head newNode; head = tail;
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- Create a simple link list nodes in c++ perform insertion and displaying link list. struct Node { int data; Node* next; }; class list { private node*head; node*tail; public: list() { head=NILL; tail=NULL; } };In c++, how do I display the last node in a linked list?Please code in C language. Please use the starter code to help you solve the deleted node and the reverse list. Here is the starter code: #include <stdio.h> #include <ctype.h> #include <stdlib.h> #include <string.h> #include "linkedlist.h" // print an error message by an error number, and return // the function does not exit from the program // the function does not return a value void error_message(enum ErrorNumber errno) { char *messages[] = { "OK", "Memory allocaton failed.", "Deleting a node is not supported.", "The number is not on the list.", "Sorting is not supported.", "Reversing is not supported.", "Token is too long.", "A number should be specified after character d, a, or p.", "Token is not recognized.", "Invalid error number."}; if (errno < 0 || errno > ERR_END) errno = ERR_END; printf("linkedlist: %s\n", messages[errno]); } node *new_node(int v) { node *p =…
- C++ program to give implementation of circular linked list and should have the following functionality. -InsertFirst ( ? ) -InsertLast ( ? ) -InsertSpecific ( ? ) -DisplayList ( ? ) -DeleteFirst ( ? ) -DeleteLast ( ? ) -DeleteSpecific( ? ) Note: solve as soon as possiblethe Linked List class:import java.util.NoSuchElementException;// Linked list implementationclass LList<E> implements List<E> {private Link<E> head; // Pointer to list headerprivate Link<E> tail; // Pointer to last element private Link<E> curr; // Access to current element private int listSize; // Size of list // Constructors LList(int size) { // Constructor -- Ignore size this(); } LList() { clear(); } // Remove all elements public void clear() { curr = tail = new Link<E>(null); // Create trailer head = new Link<E>(tail); // Create header listSize = 0; } // Insert "it" at current position public boolean insert(E it) { curr.setNext(new Link<E>(curr.element(), curr.next())); curr.setElement(it); if (tail == curr) { tail = curr.next(); // New tail } listSize++;…Question 5 In C++, please write a function that traverse through a linked list to find the node that contains the target int and move this node to the end of the list. Please do NOT destroy the node and create any temporary copy. Examples: Given list: 1 3 4 6 Target integer: 3 Processed list: 1 4 6 3 struct Node{int data;Node *link;}; bool MoveTargetToEnd(Node*& headPtr, int target){ } Full explain this question and text typing work only thanks
- Complete the //comments and TODOs in c++ #include "LinkedList.h" using namespace std; // Add a new node to the list void LinkedList::insert(Node* prev, int newKey){ //Check if head is Null i.e list is empty if(head == NULL){ head = newNode; head->key = newKey; head->next = NULL; } // if list is not empty, look for prev and append our node there elseif(prev == NULL) { Node* newNode = newNode; newNode->key = newKey; newNode->next = head; head = newNode; } else{ Node* newNode = newNode; newNode->key = newKey; newNode->next = prev->next; prev->next = newNode; } } // TODO: SILVER PROBLEM // Delete node at a particular index bool LinkedList::deleteAtIndex(int n) { boolisDeleted = false; if(head == NULL){ cout<<"List is already empty"<<endl; returnisDeleted; } // Special case to delete the head if (n == 0) { //TODO } Node *pres = head; Node *prev = NULL; // TODO returnisDeleted; } // TODO: GOLD PROBLEM // Swap the first and last nodes (don't…C++ program LinkList: namespace { template<typename T> class List { public: virtual ~List(){}; virtual bool addFirst(T) = 0; virtual bool addLast(T) = 0; virtual T& get(int) = 0; virtual bool insert(int, T) = 0; virtual T remove(int) = 0; virtual T removeFirst() = 0; virtual T removeLast() = 0; virtual void set(int, T) = 0; virtual int size() const = 0; }; } #endif //PROG1_LIST_HC++ ProgrammingActivity: Queue Linked List Explain the flow of the code not necessarily every line, as long as you explain what the important parts of the code do. The code is already correct, just explain the flow. SEE ATTACHED PHOTO FOR THE PROBLEM #include "queue.h" #include "linkedlist.h" class SLLQueue : public Queue { LinkedList* list; public: SLLQueue() { list = new LinkedList(); } void enqueue(int e) { list->addTail(e); return; } int dequeue() { int elem; elem = list->removeHead(); return elem; } int first() { int elem; elem = list->get(1); return elem;; } int size() { return list->size(); } bool isEmpty() { return list->isEmpty(); } int collect(int max) { int sum = 0; while(first() != 0) { if(sum + first() <= max) { sum += first();…
- Given the declarations (C++)struct ListNode{ float volume;ListNode* link;};ListNode* headPtr;ListNode* currPtr;assume that headPtr and currPtr point to a linked list of many nodes. Write the statements that remove the second node.struct insert_at_back_of_dll { // Function takes a constant Book as a parameter, inserts that book at the // back of a doubly linked list, and returns nothing. void operator()(const Book& book) { / // TO-DO (2) |||| // Write the lines of code to insert "book" at the back of "my_dll". // // // END-TO-DO (2) ||| } std::list& my_dll; };Given the declarations struct NodeType{ int data; NodeType* link;};NodeType* headPtr; // External pointer to a linked listNodeType* p;Write the code that would sum all the elements in the list.