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make a single linked list using classes with c++

Uptight Unicorn answered on January 25, 2022 Popularity 1/10 Helpfulness 1/10

answer make a single linked list using classes with c++

make a single linked list using classes with c++

Comment

#include <iostream>

class Node {
public:
    int data;
    Node* next;

    Node(int data) {
        this->data = data;
        next = nullptr;
    }
};

class LinkedList {
private:
    Node* head;
public:
    LinkedList() {
        head = nullptr;
    }

    void insert(int data) {
        Node* newNode = new Node(data);
        if (head == nullptr) {
            head = newNode;
        } else {
            Node* temp = head;
            while (temp->next != nullptr) {
                temp = temp->next;
            }
            temp->next = newNode;
        }
    }

    void display() {
        Node* temp = head;
        while (temp != nullptr) {
            std::cout << temp->data << " ";
            temp = temp->next;
        }
        std::cout << std::endl;
    }
};

int main() {
    LinkedList list;

    list.insert(10);
    list.insert(20);
    list.insert(30);

    list.display();

    return 0;
}

Popularity 1/10 Helpfulness 1/10 Language cpp

Source: chat.openai.com

Tags: c++ linked-list

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Contributed on Jun 26 2023

Uptight Unicorn

0 Answers Avg Quality 2/10

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linked list with classes c++

Comment

// C++ program for the above approach
#include <iostream>
using namespace std;
  
// Node class to represent
// a node of the linked list.
class Node {
public:
    int data;
    Node* next;
  
    // Default constructor
    Node()
    {
        data = 0;
        next = NULL;
    }
  
    // Parameterised Constructor
    Node(int data)
    {
        this->data = data;
        this->next = NULL;
    }
};
  
// Linked list class to
// implement a linked list.
class Linkedlist {
    Node* head;
  
public:
    // Default constructor
    Linkedlist() { head = NULL; }
  
    // Function to insert a
    // node at the end of the
    // linked list.
    void insertNode(int);
  
    // Function to print the
    // linked list.
    void printList();
  
    // Function to delete the
    // node at given position
    void deleteNode(int);
};
  
// Function to delete the
// node at given position
void Linkedlist::deleteNode(int nodeOffset)
{
    Node *temp1 = head, *temp2 = NULL;
    int ListLen = 0;
  
    if (head == NULL) {
        cout << "List empty." << endl;
        return;
    }
  
    // Find length of the linked-list.
    while (temp1 != NULL) {
        temp1 = temp1->next;
        ListLen++;
    }
  
    // Check if the position to be
    // deleted is less than the length
    // of the linked list.
    if (ListLen < nodeOffset) {
        cout << "Index out of range"
             << endl;
        return;
    }
  
    // Declare temp1
    temp1 = head;
  
    // Deleting the head.
    if (nodeOffset == 1) {
  
        // Update head
        head = head->next;
        delete temp1;
        return;
    }
  
    // Traverse the list to
    // find the node to be deleted.
    while (nodeOffset-- > 1) {
  
        // Update temp2
        temp2 = temp1;
  
        // Update temp1
        temp1 = temp1->next;
    }
  
    // Change the next pointer
    // of the previous node.
    temp2->next = temp1->next;
  
    // Delete the node
    delete temp1;
}
  
// Function to insert a new node.
void Linkedlist::insertNode(int data)
{
    // Create the new Node.
    Node* newNode = new Node(data);
  
    // Assign to head
    if (head == NULL) {
        head = newNode;
        return;
    }
  
    // Traverse till end of list
    Node* temp = head;
    while (temp->next != NULL) {
  
        // Update temp
        temp = temp->next;
    }
  
    // Insert at the last.
    temp->next = newNode;
}
  
// Function to print the
// nodes of the linked list.
void Linkedlist::printList()
{
    Node* temp = head;
  
    // Check for empty list.
    if (head == NULL) {
        cout << "List empty" << endl;
        return;
    }
  
    // Traverse the list.
    while (temp != NULL) {
        cout << temp->data << " ";
        temp = temp->next;
    }
}
  
// Driver Code
int main()
{
    Linkedlist list;
  
    // Inserting nodes
    list.insertNode(1);
    list.insertNode(2);
    list.insertNode(3);
    list.insertNode(4);
  
    cout << "Elements of the list are: ";
  
    // Print the list
    list.printList();
    cout << endl;
  
    // Delete node at position 2.
    list.deleteNode(2);
  
    cout << "Elements of the list are: ";
    list.printList();
    cout << endl;
    return 0;
}

Popularity 10/10 Helpfulness 9/10 Language cpp

Source: www.geeksforgeeks.org

Tags: c++

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Contributed on Jan 25 2022

Nice Nightingale

0 Answers Avg Quality 2/10

make a single linked list using classes with c++

Comment

#include <iostream>

class Node {
public:
    int data;
    Node* next;

    Node(int data) {
        this->data = data;
        next = nullptr;
    }
};

class LinkedList {
private:
    Node* head;
public:
    LinkedList() {
        head = nullptr;
    }

    void insert(int data) {
        Node* newNode = new Node(data);
        if (head == nullptr) {
            head = newNode;
        } else {
            Node* temp = head;
            while (temp->next != nullptr) {
                temp = temp->next;
            }
            temp->next = newNode;
        }
    }

    void display() {
        Node* temp = head;
        while (temp != nullptr) {
            std::cout << temp->data << " ";
            temp = temp->next;
        }
        std::cout << std::endl;
    }
};

int main() {
    LinkedList list;

    list.insert(10);
    list.insert(20);
    list.insert(30);

    list.display();

    return 0;
}

Popularity 2/10 Helpfulness 1/10 Language cpp

Source: chat.openai.com

Tags: c++ linked-list

Link to this answer
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Contributed on Jun 26 2023

Uptight Unicorn

0 Answers Avg Quality 2/10

make a single linked list using classes with c++

Comment

#include <iostream>

class Node {
public:
    int data;
    Node* next;

    Node(int data) {
        this->data = data;
        next = nullptr;
    }
};

class LinkedList {
private:
    Node* head;
public:
    LinkedList() {
        head = nullptr;
    }

    void insert(int data) {
        Node* newNode = new Node(data);
        if (head == nullptr) {
            head = newNode;
        } else {
            Node* temp = head;
            while (temp->next != nullptr) {
                temp = temp->next;
            }
            temp->next = newNode;
        }
    }

    void display() {
        Node* temp = head;
        while (temp != nullptr) {
            std::cout << temp->data << " ";
            temp = temp->next;
        }
        std::cout << std::endl;
    }
};

int main() {
    LinkedList list;

    list.insert(10);
    list.insert(20);
    list.insert(30);

    list.display();

    return 0;
}

Popularity 1/10 Helpfulness 1/10 Language cpp

Source: chat.openai.com

Tags: c++ linked-list

Link to this answer
Share Copy Link

Contributed on Jun 26 2023

Uptight Unicorn

0 Answers Avg Quality 2/10

make a single linked list using classes with c++

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make a single linked list using classes with c++

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