using static System.Console;

using System.Text;

public class Program {

    public static void Main() {

        WriteLine(ASCII_binary("teste"));

        WriteLine(ASCII_binaryIneficiente("teste"));

    }

    public static string ASCII_binary(string texto) {

        var converted = "";

        byte[] byteArray = Encoding.ASCII.GetBytes(texto);

        for (var i = 0; i < byteArray.Length; i++) {

            Write((char)byteArray[i]);

            for (var j = 0; j < 8; j++) {

                Write($" ({byteArray[i]} - {(byteArray[i] & 0x80)} - {((byteArray[i] & 0x80) > 0 ? "1" : "0")})");

                converted += (byteArray[i] & 0x80) > 0 ? "1" : "0";

                byteArray[i] <<= 1;

            }

            WriteLine();

        }

        return converted;

    }

    public static string ASCII_binaryIneficiente(string texto) {

        var converted = "";

        byte[] byteArray = Encoding.ASCII.GetBytes(texto);

        for (var i = 0; i < byteArray.Length; i++) {

            Write((char)byteArray[i]);

            for (var j = 0; j < 8; j++) {

                Write($" ({byteArray[i]} - {(byteArray[i])} - {((byteArray[i]) > 127 ? "1" : "0")})");

                converted += (byteArray[i]) > 127 ? "1" : "0";

                byteArray[i] *= 2;

            }

            WriteLine();

        }

        return converted;

    } 

}