Create 1486-xor-operation-in-an-array.js

Author: everthis

1486-xor-operation-in-an-array.js

@@ -0,0 +1,17 @@
+/**
+ * @param {number} n
+ * @param {number} start
+ * @return {number}
+ */
+const xorOperation = function(n, start) {
+  const nums = []
+  let i = 0
+  while (i < n) {
+    nums[i] = start + 2 * i
+    i++
+  }
+  // console.log(nums)
+  let res = nums[0]
+  for(let i = 1; i < n; i++) res ^= nums[i]
+  return res
+};