cpp
#include <iostream>

using namespace std;

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

    Node(int d) {
        data = d;
        next = NULL;
    }
};

class LinkedList {
public:
    Node* head;

    LinkedList() {
        head = NULL;
    }

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

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

    void swap(Node* a, Node* b) {
        int temp = a->data;
        a->data = b->data;
        b->data = temp;
    }

    void selectionSort() {
        Node* temp1 = head;
        while (temp1 != NULL) {
            Node* minNode = temp1;
            Node* temp2 = temp1->next;
            while (temp2 != NULL) {
                if (temp2->data < minNode->data) {
                    minNode = temp2;
                }
                temp2 = temp2->next;
            }
            if (minNode != temp1) {
                swap(minNode, temp1);
            }
            temp1 = temp1->next;
        }
    }

    void bubbleSort() {
        Node* temp1 = head;
        while (temp1 != NULL) {
            Node* temp2 = head;
            while (temp2->next != NULL) {
                if (temp2->data > temp2->next->data) {
                    swap(temp2, temp2->next);
                }
                temp2 = temp2->next;
            }
            temp1 = temp1->next;
        }
    }

    void insertionSort() {
        Node* temp1 = head;
        while (temp1 != NULL) {
            Node* temp2 = temp1;
            while (temp2 != head && temp2->data < temp2->next->data) {
                swap(temp2, temp2->next);
                temp2 = temp2->next;
            }
            temp1 = temp1->next;
        }
    }
};

int main() {
    LinkedList list;
    list.insert(3);
    list.insert(6);
    list.insert(1);
    list.insert(4);
    list.insert(2);

    cout << "Original List: ";
    list.display();
    cout << endl;

    list.selectionSort();
    cout << "Selection Sorted List: ";
    list.display();
    cout << endl;

    list.bubbleSort();
    cout << "Bubble Sorted List: ";
    list.display();
    cout << endl;

    list.insertionSort();
    cout << "Insertion Sorted List: ";
    list.display();
    cout << endl;

    return 0;
}