Programming

bool login()
{
 string user[10],password[10], user1, password1;
 ifstream myfile("idpw.txt");
 
 cout << "Please enter your username" << endl;
 cin >> user1;
 cout << "Please enter your password" << endl;
 cin >> password1;
 
 int i=0;
 int j=0;
 while (!myfile.eof())
 {
  myfile >> user[i] >> password[i];
  i++;
 }
 myfile.close();
 
 for (j=0; j<i; j++)
 {
  if (user1 == user[j] && password1 == password[j])
  {
   cout << "Successfully Login" << endl;
   return true;
  }
 }
}

bool login()
{
 string user[10],password[10], user1, password1;
 ifstream myfile("idpw.txt");
 
 cout << "Please enter your username" << endl;
 cin >> user1;
 cout << "Please enter your password" << endl;
 cin >> password1;
 
 int i=0;
 int j=0;
 while (!myfile.eof())
 {
  myfile >> user[i] >> password[i];
  i++;
 }
 myfile.close();
 
 bool hasUser=false;

 for (j=0; j<i; j++)
 {
  if (user1 == user[j]) { 
     hasUser=true; 
     if(password1 == password[j]) {
       cout << "Successfully Login" << endl;
       return true;
     }
 }
 
 if(hasUser) { cout << "Wrong Password" << endl;
 else { cout << "No such user exist" << endl;

 return false;
}