homework2

#include <iostream>

using namespace std;
struct node
{
    char data;
    node *next;
};
void createList(node *&head, node *&tail, char item)
{
    node *newNode = new node;
    newNode->data = item;
    newNode->next = NULL;
    if(head == NULL)
        head = tail = newNode;
    else
    {
        tail->next = newNode;
        tail = newNode;
    }
}
void display(node *&head)
{
    node *temp;
    temp = head;
    while(temp != NULL)
    {
        cout<<"data is : "<<temp->data<<endl;
        temp = temp->next;
    }
}
int main()
{
    node *head,*tail;
    tail = head = NULL;
    int choice,i;
    char item;
    do
    {
        cout<<"1- create list \n";
        cout<<"2- add at the end\n";
        cout<<"3- display the list\n";
        cout<<"4- delete 4th element\n";
        cout<<"5- exit\n";
        cout<<"Enter your choice : ";
        cin>>choice;
        switch(choice)
        {
        case 1:
            for(i=0;i<10;i++)
            {
                cout<<"Enter data (char) : ";
                cin>>item;
                createList(head,tail,item);
            }
            break;
        case 2:
            cout<<"Enter the element (char) : ";
            cin>>item;
            createList(head,tail,item);
            break;
        case 3:
            display(head);
            break;
        case 4:
            delete4th(head);
            break;
        default:
            break;
        }
    }while(choice != 5);
    return 0;
}