YAPC::EU 2018 Glasgow Update!

Task/Number-reversal-game/Astro/number-reversal-game.astro

@@ -1,10 +1,13 @@
 print '# Number reversal game'
-var data, trials = list('123456789'), 0
-while data == sorted(data):
+
+var data, trials = list(1..9), 0
+
+while data == sort data:
     random.shuffle data
-while data != sorted(data):
+
+while data != sort data:
     trials += 1
-    flip = int input '#$trials: LIST: $(join data) Flip how many?: '
-    data[:flip] = data[!flip:]
+    flip = int input '#$trials: LIST: ${join data} Flip how many?: '
+    data[:flip] = data[end:-1:flip]
 
 print '\nYou took $trials attempts to put digits in order!'

Task/Number-reversal-game/Crystal/number-reversal-game.crystal

@@ -0,0 +1,21 @@
+SIZE = 9
+ordered = (1..SIZE).to_a
+shuffled = (1..SIZE).to_a
+
+while shuffled == ordered
+  shuffled.shuffle!
+end
+
+score = 0
+until shuffled == ordered
+  print "#{shuffled} Enter items to reverse: "
+
+  next unless guess = gets
+  next unless num = guess.to_i?
+  next if num < 2 || num > SIZE
+
+  shuffled[0, num] = shuffled[0, num].reverse
+  score += 1
+end
+
+puts "#{shuffled} Your score: #{score}"

Task/Number-reversal-game/Ring/number-reversal-game.ring

@@ -1,7 +1,4 @@
 # Project : Number reversal game
-# Date    : 2017/12/02
-# Author : Gal Zsolt (~ CalmoSoft ~)
-# Email   : <calmosoft@gmail.com>
 
 rever = 1:9
 leftrever = []