#include <iostream>
#include <string>

using namespace std;

typedef string *StringPtr;

int read_names(StringPtr& names);
void print_names(StringPtr& names, int count);

/**
 * Main
 */
int main()
{
    StringPtr pet_names = nullptr;

    int count = read_names(pet_names);
    print_names(pet_names, count);

    delete[] pet_names;
    return 0;
}

int read_names(StringPtr& names)
{
    int count;

    cout << "How many? ";
    cin >> count;

    names = new string[count];  // create the dynamic array

    // Loop to read the names.
    for (int i = 0; i < count; i++)
    {
        cout << "Name #" << i+1 << "? ";
        cin >> names[i];
    }

    return count;
}

void print_names(StringPtr& names, int count)
{
    StringPtr p = names;  // p also points to the names array

    // Print the names forwards.
    cout << endl << "Names printed forwards:" << endl;
    while (count > 0)
    {
        cout << *p << endl;
        count--;
        p++;  // point p at the next array element
    }
    // p now points beyond the end of the array. Do not dereference!

    // Print the names backwards.
    cout << endl << "Names printed backwards:" << endl;
    do
    {
        p--;  // point p at the previous array element
        cout << *p << endl;
    }
    while (p != names);
}