Sync

Task/24-game/Julia/24-game.julia

@@ -23,7 +23,14 @@ function twentyfour()
 	print("The 24 Game\nYou will be given any four digits in the range 1 to 9, which may have repetitions.\n
 		 Using just the +, -, *, and / operators show how to make an answer of 24.\n
 		 Use parentheses, (), to ensure proper order of evaulation.\n
-		 Enter 'n' for a new set of digits, and 'q' to quit. Good luck!\n
+		 Enter 'n' fDouble>()
+
+    while( scanner.hasNext() ) {
+        if( scanner.hasNextInt() ) {
+            var n = scanner.nextInt()
+
+            // Make sure they're allowed to use n
+            if( n or a new set of digits, and 'q' to quit. Good luck!\n
 		 Here's your first 4 digits\n$(answer[1]) $(answer[2]) $(answer[3]) $(answer[4])\n
 		 >")
 	while true

Task/24-game/PowerShell/24-game.psh

@@ -7,17 +7,17 @@ Function isNumeric ($x)
 Return $isNum
 }
 
-$NumberOne = Random -Maximum 10 -Minimum 1
-$NumberTwo = Random -Maximum 10 -Minimum 1
-$NumberThree = Random -Maximum 10 -Minimum 1
-$NumberFour = Random -Maximum 10 -Minimum 1
 $NumberArray = @()
-$NumberArray += $NumberOne
-$NumberArray += $NumberTwo
-$NumberArray += $NumberThree
-$NumberArray += $NumberFour
+While( $NumberArray.Count -lt 4 ){
+    $NumberArray += Random -Minimum 1 -Maximum 10
+}
 
-Write-Host "Welcome to the 24 game!`n`nHere are your numbers: $NumberOne,$NumberTwo,$NumberThree and $NumberFour.`nUse division, multiplication, subtraction and addition to get 24 as a result with these 4 numbers.`n"
+Write-Host @"
+Welcome to the 24 game!
+
+Here are your numbers: $($NumberArray -join ",").
+Use division, multiplication, subtraction and addition to get 24 as a result with these 4 numbers.
+"@
 
 Do
 {
@@ -26,50 +26,14 @@ $EndResult = $null
 $TempChar = $null
 $TempChar2 = $null
 $Count = $null
+
+$AllowableCharacters = $NumberArray + "+-*/()".ToCharArray()
     $Result = Read-Host
         Foreach($Char in $Result.ToCharArray())
         {
-            Switch($Char)
-            {
-                $NumberOne
-                {
-                }
-                $NumberTwo
-                {
-                }
-                $NumberThree
-                {
-                }
-                $NumberFour
-                {
-                }
-                "+"
-                {
-                }
-                "-"
-                {
-                }
-                "*"
-                {
-                }
-                "/"
-                {
-                }
-                "("
-                {
-                }
-                ")"
-                {
-                }
-                " "
-                {
-                }
-                Default
-                {
-                    $Wrong = 1
-                }
-            }
+            If( $AllowableCharacters -notcontains $Char ){ $Wrong = 1 }
         }
+
         If($Wrong -eq 1)
         {
             Write-Warning "Wrong input! Please use only the given numbers."

Task/24-game/Ruby/24-game.rb

@@ -1,7 +1,7 @@
 require "rational"
 
 def play
-  digits = Array.new(4) {1+rand(9)}
+  digits = Array.new(4){rand(1..9)}
   loop do
     guess = get_guess(digits)
     result = evaluate(guess)
@@ -17,13 +17,13 @@ end
 
 def get_guess(digits)
   loop do
-    print "\nEnter your guess using #{digits.inspect}: "
-    guess = $stdin.gets.chomp
+    print "\nEnter your guess using #{digits}: "
+    guess = gets.chomp
 
     # ensure input is safe to eval
     invalid_chars = guess.scan(%r{[^\d\s()+*/-]})
     unless invalid_chars.empty?
-      puts "invalid characters in input: #{invalid_chars.inspect}"
+      puts "invalid characters in input: #{invalid_chars}"
       next
     end