using System;

public class Program

{

    public static void Main()

    {

        /*

            Exercise 1: Write C# program to prompt the user to choose the correct answer from a list of answer choices of a question.

            The user can choose to continue answering the question or stop answering it. See the example below:

            What is the command keyword to exit a loop in C#?

​

            a. int

​

            b. continue

​

            c. break

​

            d. exit

​

            Enter your choice: b

​

            Incorrect!

​

            Again? press y to continue:

        */

        /*

            Console.WriteLine("What is the command keyword to exit a loop in C#?");

            Console.WriteLine("a. int");

            Console.WriteLine("b. continue");

            Console.WriteLine("c. break");

            Console.WriteLine("d. exit");

            string choice;

            string konstatuj = "y";

            while(konstatuj == "y")

            {

                Console.WriteLine("Unesite odgovor: ");

                choice = Convert.ToString(Console.ReadLine());

                if(choice == "c")

                {

                    Console.WriteLine("Odgovor je tacan.");

                }

                else if((choice == "q") || (choice == "e"))

                {

                    Console.WriteLine("Exiting");

                    break;

                }

                else

                {

                    Console.WriteLine("Wrong answer.");

                }

                Console.WriteLine("Nastavite? y ili n");

                konstatuj = Convert.ToString(Console.ReadLine());

            }

            */

        string choice;

        string con="y";

        Console.WriteLine("What is the command keyword to exit a loop in C#?");

        Console.WriteLine("a.quit");

        Console.WriteLine("b.continue");

        Console.WriteLine("c.break");

        Console.WriteLine("d.exit");

​

        //sve dok je con == "y" radi kod u viticastim zagradama

        while (con=="y")

        {

            //ispisujemo korisniku Enter your choice da bi uneo odgovor

            Console.Write("Enter your choice:");

            //smestamo odgovor u promennljivu choice

            choice =Console.ReadLine();

            //ako je korisnik uneo c

            if (choice == "c")

            {

                //ispisi

                Console.WriteLine("Congratulation!");

            }

            //ako je uneo q ili e

            else if (choice == "q" || choice == "e") 

            {

                //izadji iz petlje i ispisi

                Console.WriteLine("Exiting...!");       break; 

            }

            //ako nije nista od navedenog u gornje dve if petlje

            else 

                //ispisi

                Console.WriteLine("Incorrect!");

            //pod uslovom da je tacan prvi ili treci kod petlje if, c# ce nam ponuditi da ponovimo postupak pritiskom dugmeta y 

            Console.Write("Again? press y to continue:");

            //smestamo y u con i vraca nas na while con == "y"

            con = Console.ReadLine().ToString();

​

          }

​

​

     }

    }

​