Create 521-longest-uncommon-subsequence-i.js

Author: everthis

521-longest-uncommon-subsequence-i.js

@@ -0,0 +1,8 @@
+/**
+ * @param {string} a
+ * @param {string} b
+ * @return {number}
+ */
+const findLUSlength = function(a, b) {
+  return a === b ? -1 : Math.max(a.length, b.length);
+};