Prakt4.txt

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

// Creating a node
struct node {
    char title[100];
    float price;
    int pages;
    char language[30];
    float weight;
    int year;
    struct node *next;
};

// Insertion at the end
void insertAtEnd(struct node** head_ref, char title[], float price, int pages, char language[], float weight, int year) {
    struct node* new_node = (struct node*)malloc(sizeof(struct node));
    struct node* last = *head_ref;

    // Fields for new book
    strcpy(new_node->title, title);
    new_node->price = price;
    new_node->pages = pages;
    strcpy(new_node->language, language);
    new_node->weight = weight;
    new_node->year = year;
    new_node->next = NULL;

    // Check if the list is empty
    if (*head_ref == NULL) {
        // If empty, set the new node as the head
        *head_ref = new_node;
    } else {
        // If not empty, traverse to the last node
        last = *head_ref; // Start from the head
        while (last->next != NULL) {
            last = last->next; // Move to the next node
        }
        last->next = new_node; // Attach the new node at the end
    }
}

// Function for printing info abour books
void printLinkedList(struct node *p) {
    while (p != NULL) {
        printf("Title: %s, Price: %.2f, Pages: %d, Language: %s, Weight: %.2f, Year: %d\n",
               p->title, p->price, p->pages, p->language, p->weight, p->year);
        p = p->next;
    }
}

int main() {
    struct node *head = NULL;

    // Info about books
    insertAtEnd(&head, "Harry Potter and the Philosopher's Stone", 400, 223, "Ukrainian", 0.5, 1997);
    insertAtEnd(&head, "Harry Potter and the Chamber of Secrets", 380, 251, "Ukrainian", 0.5, 1998);
    insertAtEnd(&head, "Harry Potter and the Prisoner of Azkaban", 800, 317, "English", 0.5, 1999);
    insertAtEnd(&head, "Harry Potter and the Goblet of Fire", 450, 636, "Ukrainian", 0.7, 2000);
    insertAtEnd(&head, "Harry Potter and the Order of the Phoenix", 790, 766, "English", 0.8, 2003);
    insertAtEnd(&head, "Harry Potter and the Half-Blood Prince", 680, 607, "Ukrainian", 0.7, 2005);
    insertAtEnd(&head, "Harry Potter and the Deathly Hallows", 800, 607, "English", 0.8, 2007);

    // Print info about books
    printf("Harry Potter Book Series:\n");
    printLinkedList(head);


    return 0;
}