Write a c++ program that will prompt a user to enter a username and password. Validate the user\'s login before allow the use to advance. You must start out by having a datafile that has a list of ten (10) usernames and passwords. Possible login error messages for username: 1. Username not found Possible login error messages for password 1. Password not found 2. Password must contain eight (8) or more characters 3. Password must contain a special character 4. Password cannot have blank spaces 5. Password must have at least two numbers 6. Password must have at least one uppercase letter The program should prompt a user with a login screen. (Example) Enter Login ID: XXXXXXXXXX (if login is not found, display error message and loop until correct of the user chooses to exit.) The Enter Password: XXXXXXXXXXXXX (If the password not found, display error message and loop twice. If not successful after two attempts, write a login attempt log to a log file named \"ERROR LOG\" lf login attempt is successful, prompt the user with the following screen: 1. Add a User & Password 2. Update user password 3. Exit Enter your choice:
#include <iostream>
#include <string>
using namespace std;
int main()
{
const string USERNAME = \"chegg\";
const string PASSWORD = \"12345678\";
string username, password;
cout << \"Enter Username : \";
cin >> username;
if(username.length() < 4)
{
cout << \"Username length must be atleast 4 characters long.\";
}
else
{
cout << \"Enter Password : \";
cin >> password;
if(password.length() < 8)
{
cout << \"Password length must be atleast 8 characters long.\";
}
else
{
if(username == USERNAME && password == PASSWORD)
{
cout << \"User credentials are correct!!!\" << endl;
}
else
{
cout << \"Invalid login details\" << endl;
}
}
}
return 0;
}
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