added second solution for string reduction

Kyle Maune · Kyle Maune · commit 3f11705a4ec1 · 2014-07-15T17:11:48.000-07:00
diff --git a/Medium Difficulty/stringReduction2.js b/Medium Difficulty/stringReduction2.js
@@ -0,0 +1,29 @@
+// coderbyte solution for string reduction
+// splashinn
+
+function reduce(str){
+  str = str.replace(/ab/, "c")
+  .replace(/ba/, "c")
+  .replace(/ac/, "b")
+  .replace(/ca/, "b")
+  .replace(/bc/, "a")
+  .replace(/cb/, "a");
+  return str;
+}
+
+function irreducible(str) {
+  var str = str.split("");
+  for (var i = 1; i < str.length; i++) {
+    if (str[i] != str[i-1]) return false;
+  }
+  return true;
+}
+
+function StringReduction(str) {
+  do {
+    str = reduce(str);
+  } while (str != reduce(str));
+
+  return str.length;
+
+}
