Create 1720-decode-xored-array.js

Author: everthis

1720-decode-xored-array.js

@@ -0,0 +1,14 @@
+/**
+ * @param {number[]} encoded
+ * @param {number} first
+ * @return {number[]}
+ */
+const decode = function(encoded, first) {
+  const res = [first]
+  
+  for(let i = 0, len = encoded.length; i < len; i++) {
+    res[i + 1] = res[i] ^ encoded[i]
+  }
+  
+  return res
+};