Untitled

#include <stdio.h>
#include <stdlib.h>

// Node structure for the linked list
struct Node {
    int data;
    struct Node* next;
};

// Function to create a new node
struct Node* createNode(int data) {
    struct Node* newNode = (struct Node*)malloc(sizeof(struct Node));
    newNode->data = data;
    newNode->next = NULL;
    return newNode;
}

// Function to append a new node to the end of the linked list
void append(struct Node** head, int data) {
    struct Node* newNode = createNode(data);
    if (*head == NULL) {
        *head = newNode;
        return;
    }
    struct Node* temp = *head;
    while (temp->next != NULL) {
        temp = temp->next;
    }
    temp->next = newNode;
}

// Function to perform bubble sort on the linked list
void bubbleSort(struct Node* head) {
    int swapped;
    struct Node* ptr1;
    struct Node* lptr = NULL;

    if (head == NULL)
        return;

    do {
        swapped = 0;
        ptr1 = head;

        while (ptr1->next != lptr) {
            if (ptr1->data > ptr1->next->data) {
                // Swap the data of the two nodes
                int temp = ptr1->data;
                ptr1->data = ptr1->next->data;
                ptr1->next->data = temp;

                swapped = 1;
            }
            ptr1 = ptr1->next;
        }
        lptr = ptr1;
    } while (swapped);
}

// Function to print the linked list
void printList(struct Node* head) {
    struct Node* temp = head;
    while (temp != NULL) {
        printf("%d ", temp->data);
        temp = temp->next;
    }
    printf("\n");
}

// Main function to test the bubble sort with linked list
int main() {
    struct Node* head = NULL;

    // Example data for the linked list
    append(&head, 5);
    append(&head, 2);
    append(&head, 9);
    append(&head, 1);
    append(&head, 5);

    printf("Original linked list: ");
    printList(head);

    bubbleSort(head);

    printf("Linked list after bubble sort: ");
    printList(head);

    return 0;
}

/*
Original linked list: 5 2 9 1 5 
Linked list after bubble sort: 1 2 5 5 9
*/