Proposed exercise
Write a program to ask the user for his/her login and his/her password (both must be integer numbers), until the entered login is "12" and the password is "1234". The user will have 3 attempts maximum.
Output
Solution
using System; public class Password { public static void Main() { int user, pass; int counter = 0; do { Console.Write("Enter a user: "); user = Convert.ToInt32(Console.ReadLine()); Console.Write("Enter a password: "); pass = Convert.ToInt32(Console.ReadLine()); if ((user != 12) || (pass != 1234)) { Console.WriteLine("Login Error"); counter++; } } while ( ((user != 12) || (pass != 1234)) && (counter != 3)); if ((user != 12) || (pass != 1234)) Console.WriteLine("Logged out!"); else Console.WriteLine("Login successful"); } }