homework4

#include <iostream>
#include <string>
using namespace std;
struct node
{
    string name;
    int age;
    node *next;
};
void createlist(node*& head, node*& tail, int age, string name)
{
    node *newNode = new node;
    newNode->next = NULL;
    newNode->age = age;
    newNode->name = name;
    if(head == NULL)
    {
        head = tail = newNode;
    }
    else
    {
        tail->next = newNode;
        tail = newNode;
    }
}
void display(node *&head)
{
    node *temp;
    temp = head;
    if(head == NULL)
        cout<<"list is empty\n";
    else
    {
        while(temp != NULL)
        {
            cout<<"Name is : "<<temp->name<<endl;
            cout<<"Age is : "<<temp->age<<endl;
            temp = temp->next;
        }
    }
}
int main()
{
    node *head,*tail;
    tail = head = NULL;
    int choice,i,age;
    string name;
    do
    {
        cout<<"1 - create list\n";
        cout<<"2 - display list\n";
        cout<<"3 - exit\n";
        cout<<"Enter your choice : ";
        cin>>choice;
        switch(choice)
        {
        case 1:
            for(i=0;i<2;i++)
            {
                cout<<"Enter name : ";
                cin>>name;
                cout<<"Enter age : ";
                cin>>age;
                createlist(head,tail,age,name);
            }
            break;
        case 2:
            display(head);
            break;
        default:
            break;
        }
    }while(choice != 3);
    return 0;
}