Data commit

Task/Best-shuffle/Groovy/best-shuffle.groovy

@@ -0,0 +1,29 @@
+def shuffle(text) {
+    def shuffled = (text as List)
+    for (sourceIndex in 0..<text.size()) {
+        for (destinationIndex in 0..<text.size()) {
+                if (shuffled[sourceIndex] != shuffled[destinationIndex] && shuffled[sourceIndex] != text[destinationIndex] && shuffled[destinationIndex] != text[sourceIndex]) {
+                    char tmp = shuffled[sourceIndex];
+                    shuffled[sourceIndex] = shuffled[destinationIndex];
+                    shuffled[destinationIndex] = tmp;
+                    break;
+                }
+        }
+    }
+    [original: text, shuffled: shuffled.join(""), score: score(text, shuffled)]
+}
+
+def score(original, shuffled) {
+    int score = 0
+    original.eachWithIndex { character, index ->
+        if (character == shuffled[index]) {
+            score++
+        }
+    }
+    score
+}
+
+["abracadabra", "seesaw", "elk", "grrrrrr", "up", "a"].each { text ->
+    def result = shuffle(text)
+    println "${result.original}, ${result.shuffled}, (${result.score})"
+}