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  1. using System;
  2. using System.Text;
  3.  
  4.  
  5. namespace guess_the_number
  6. {
  7.     class MainClass
  8.     {
  9.         private Random random = new Random();
  10.  
  11.         int getRandomNumber()
  12.         {
  13.             return random.Next(1, 100);
  14.         }
  15.  
  16.         void showStartText()
  17.         {
  18.             Console.Write("~~~Guess-The-Number~~~\n\n\n");
  19.             //
  20.             //
  21.             Console.Write("Instructions:\n\n\n");
  22.             //
  23.             //
  24.             Console.Write("You will attempt to guess a number, 1-100.\n");
  25.             Console.Write("To guess the number, type it, then press enter.\n");
  26.             Console.Write("After each guess, you will be told if the number is higher or lower than your \nguess.\n\n");
  27.         }
  28.  
  29.         int getValidGuess()
  30.         {
  31.             while (true)
  32.             {
  33.                 Console.ForegroundColor = ConsoleColor.Red;
  34.  
  35.                 Console.Write("Please enter your guess:\n");
  36.  
  37.                 int result;
  38.  
  39.                 Console.ForegroundColor = ConsoleColor.Green;
  40.  
  41.                 if (int.TryParse(Console.ReadLine(), out result))
  42.                     ;
  43.                 else
  44.                 {
  45.                     Console.ForegroundColor = ConsoleColor.Gray;
  46.  
  47.                     Console.Write("\nInvalid input.\n");
  48.  
  49.                     continue;
  50.                 }
  51.  
  52.                 //parse is good, check if number is in desired range
  53.  
  54.                 if (!(result >= 1 && result <= 100))
  55.                 {
  56.                     Console.ForegroundColor = ConsoleColor.Gray;
  57.  
  58.                     Console.Write("\nInvalid input.\n");
  59.  
  60.                     continue;
  61.                 }
  62.  
  63.                 return result;
  64.             }
  65.  
  66.  
  67.         }
  68.  
  69.         bool quit()
  70.         {
  71.             while (true)
  72.             {
  73.                 Console.ForegroundColor = ConsoleColor.Red;
  74.  
  75.                 Console.Write("Would you like to play again? y/n\n");
  76.  
  77.                 Console.ForegroundColor = ConsoleColor.Green;
  78.  
  79.                 string input = Console.ReadLine();
  80.  
  81.                 Console.ForegroundColor = ConsoleColor.Gray;
  82.  
  83.                 if (input.ToLowerInvariant() == "y")
  84.                     return false;
  85.                 else if (input.ToLowerInvariant() == "n")
  86.                     return true;
  87.                 else
  88.                 {
  89.                     Console.Write("\n\nInvalid input\n\n");
  90.  
  91.                     continue;
  92.                 }
  93.             }
  94.         }
  95.  
  96.  
  97.  
  98.         static void Main(string[] args)
  99.         {
  100.             MainClass main = new MainClass();
  101.  
  102.             //current number that is being guessed
  103.             int randomNumber;
  104.  
  105.             //users guess
  106.             int guess;
  107.  
  108.             //starting text
  109.             main.showStartText();
  110.  
  111.             //main game loop
  112.             while (true)
  113.             {
  114.                 //get new random number
  115.                 randomNumber = main.getRandomNumber();
  116.  
  117.                 //per-guess loop
  118.                 while (true)
  119.                 {
  120.                     //get valid guess - parses to make return an int, always valid input
  121.                     guess = main.getValidGuess();
  122.  
  123.                     if (guess == randomNumber)
  124.                     {
  125.                         Console.ForegroundColor = ConsoleColor.Gray;
  126.  
  127.                         Console.Write("Congratulations, you have guessed the number!\n\n");
  128.  
  129.                         if (main.quit())
  130.                             return;
  131.                         else
  132.                             break;
  133.                     }
  134.                     else if (guess < randomNumber)
  135.                     {
  136.                         Console.ForegroundColor = ConsoleColor.Gray;
  137.  
  138.                         Console.WriteLine("Your guess was lower than the number\n\n");
  139.  
  140.                         continue;
  141.                     }
  142.                     else
  143.                     {
  144.                         Console.ForegroundColor = ConsoleColor.Gray;
  145.  
  146.                         Console.WriteLine("Your guess was higher than the number\n\n");
  147.  
  148.                         continue;
  149.                     }
  150.                 }
  151.             }
  152.  
  153.             Console.Read();
  154.  
  155.         }
  156.     }
  157. }
  158.  
Not running #stdin #stdout 0s 0KB
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stdout 
Standard output is empty
https://ideone.com/UGZhs1
language:
C# (gmcs 5.20.1)
created:
12 years ago
visibility:
public

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