#include <fstream>
...
std::ifstream readFile("Имя.txt");    //открываем файл для чтения
readFile >> logo;                          //читаем число
...
std::ofstream writeFile("Имя.txt");  //открываем другой файл для записи
logo >> writeFile;                         //записываем в него
...

#include <iostream>

using std::cout;
using std::cin;
using std::endl;

bool *adress = new bool;
unsigned short position = 0;

void input();
void output();

int main()
{
     setlocale(0, "Rus");
     while(true)
      output(), input();
     return 0;
}

void input()
{
     char choise;
     choise = getchar();
     switch(choise)
     {
     case '6':
      adress += 19, position = 0;
      break;
     case '4':
       adress -= 19, position = 0;
      break;
     case '2':
      if(position != 18)
       position++;
      break;
     case '8':
      if(position != 0)
       position--;
      break;
     case 't':
     case '1':
      adress[position] = 1;
      break;
     case '0':
     case 'f':
      adress[position] = 0;
      break;
     case '=':
      output();
      cin >> adress[position];
      break;
     }
}

void output()
{
     cout << "\nАдресс\t\tЗначение\n________________________________________________________________________________";
     for(short i = 0; i < 19; i++)
      if(i == position)
       cout << "--------\n" << &adress[i] << '\t' << adress[i] << endl << "--------\n";
      else
       cout << &adress[i] << '\t' << adress[i] << endl;
     cout << "________________________________________________________________________________";
}

class point
{
short x, y;
};

class line: public point
{
short x2, y2;
};

class shape
{
virtual void draw() const;
};

class rectangle: public shape
{
virtual void draw() const;
line up, down, right, left;
};

class triangle: public shape
{
virtual void draw() const;
line line1, line2, line3;
};