Урок 9. Работа с файлами в с++

1. // ConsoleApplication3.cpp : Defines the entry point for the console application.
2. //
3. #include "stdafx.h"
4. #include <iostream>
5. #include <fstream>
6. using namespace std;
8. int main()
9. {
10. ofstream myfile;
11. myfile.open("login.txt");
12. myfile << "admin";
13. myfile.close();
14. myfile.open("password.txt");
15. myfile << "123";
16. myfile.close();
17. ifstream file("password.txt");
18. char *pass1;
19. pass1 = new char[100];
20. char *login1;
21. login1 = new char[100];
23. file.getline(pass1,'\n');
24. file.close();
25. file.open("login.txt");
26. file.getline(login1, '\n');
28. char *login;
29. char *password;
30. login = new char[100];
31. password = new char[100];
32. cout << "Enter login: ";
33. cin >> login;
34. cout << "Enter password: ";
35. cin >> password;
36. if (strcmp(login, login1) == 0 && strcmp(pass1, password) == 0)
37. {
38. cout << "Hello admin.";
39. }
40. else
41. {
42. cout << "You are wrong.";
43. }
44. cin >> password;
45. delete [] pass1;
46. delete [] login;
47. delete [] password;
48. return 0;
49. }

// ConsoleApplication3.cpp : Defines the entry point for the console application.
//
#include "stdafx.h"
#include <iostream>
#include <fstream>
using namespace std;

int main()
{
  ofstream myfile;
  myfile.open("login.txt");
  myfile << "admin";
  myfile.close();
  myfile.open("password.txt");
  myfile << "123";
  myfile.close();
  ifstream file("password.txt");
  char *pass1;
  pass1 = new char[100];
  char *login1;
  login1 = new char[100];
  
  file.getline(pass1,'\n');
  file.close();
  file.open("login.txt");
  file.getline(login1, '\n');
  
  char *login;
  char *password;
  login = new char[100];
  password = new char[100];
  cout << "Enter login: ";
  cin >> login;
  cout << "Enter password: ";
  cin >> password;
  if (strcmp(login, login1) == 0 && strcmp(pass1, password) == 0)
  {
    cout << "Hello admin.";
  }
  else
    {
    cout << "You are wrong.";
    }
  cin >> password;
  delete [] pass1;
  delete [] login;
  delete [] password;
  return 0;
}