Question

Implement in C++ a GroceryListADT that does the following:

gets the input about a grocery item (itemName, price, quantity, etc) from the user (from the keyboard)

Answer 1

#include <bits/stdc++.h> 
using namespace std; 
  
// A linked list node  
class Node  
{  
    public: 
    string name;
    int price;
    int quantity;
    Node *next;  
};  
  
void append(Node** head_ref)  
{  
    Node* new_node = new Node(); 
    Node *last = *head_ref;
    string n;
    int p,q;
    cout << "\nEnter name: ";
    cin >> n;
    cout << "Enter price: ";
    cin >> p;
    cout << "Enter quantity: ";
    cin >> q;
    new_node->name = n; 
    new_node->price = p; 
    new_node->quantity = q; 
    new_node->next = NULL;  
    if (*head_ref == NULL)  
    {  
        *head_ref = new_node;  
        return;  
    }  
    while (last->next != NULL)  
        last = last->next;  
    last->next = new_node;  
    return;  
}  
  

void printList(Node *node)  
{  
    while (node != NULL)  
    {  
        cout<<" \n"<<node->name <<"\t" <<node->price <<"\t" <<node->quantity;  
        node = node->next;  
    }  
}  
  
/* Driver code*/
int main()  
{  
    Node* head = NULL;
    int n;
    cout << "Enter Number of items: ";
    cin >> n;
    for (int i = 0; i < n; i++) {
      append(&head);
    }
    cout<<"\nCreated Data is: ";  
    printList(head);  
      
    return 0;  
}  

Note: Linked list is used to implement the program