Считать данные из текстового файла, переписать в бинарный, и вывести в виде выровненной таблицы

#include <iostream>
#include <fstream>
using namespace std;
 
int main()
{
    setlocale(LC_ALL, "Russian");
    int i, n;
    struct
    {
        char lastname[20], firstname[20], type[20], telephone[20];
    }phonebook[100];
    fstream f;
    ifstream text;
    cout << "Введите N: "; cin >> n; cout << endl;
    text.open("phonebook.txt");
    f.open("a.dat", ios::out | ios::binary);
    for (i = 0; i < n; i++)
    {
        text >> phonebook[i].lastname;
        text >> phonebook[i].firstname;
        text >> phonebook[i].telephone;
        text >> phonebook[i].type;
        f.write((char*)&phonebook[i].lastname, sizeof(phonebook[i].lastname));
        f.write((char*)&phonebook[i].firstname, sizeof(phonebook[i].lastname));
        f.write((char*)&phonebook[i].telephone, sizeof(phonebook[i].lastname));
        f.write((char*)&phonebook[i].type, sizeof(phonebook[i].lastname));
    }
    for (i = 0; i < n; i++)
    {
        cout << phonebook[i].firstname << " " << phonebook[i].lastname << " " << phonebook[i].telephone << " " << phonebook[i].type << endl;
    }
    cout << endl;
}

cout << setw(20) << phonebook[i].firstname << ...