basic_syntax_ex_ex_05_login

using System;

namespace _05_login
{
    class Program
    {
        static void Main(string[] args)//100/100
        {
            string userName = Console.ReadLine();//username
            char[] correctPasswordChars = new char[userName.Length];//count username characters

            for (int i = 0; i < userName.Length; i++)//loop with count characters of username
            {
                correctPasswordChars[i] = userName[(userName.Length - 1) - i]; //reverse username characters
            }
            string correctPassword = new string(correctPasswordChars); //generate correct password

            for (int i = 0; i < 4; i++)
            {
                string password = Console.ReadLine();
                if (password == correctPassword)
                {
                    Console.WriteLine($"User {userName} logged in.");
                    break;
                }
                else if (i >= 3)
                {
                    Console.WriteLine($"User {userName} blocked!");
                }
                else
                {
                    Console.WriteLine("Incorrect password. Try again.");
                }
            }
        }
    }
}