Linked list: Traverse the list

• 新增一個指向head的指針

• 當指針不指向NULL時

  • 指針 = 指針 -> next

void display(struct Node *first) {
    Node *list = first;
    while(list) {
        cout << list->data << " ";
        list = list->next;
    }
    cout << endl;
}