Create 1863-sum-of-all-subset-XOR-totals.js

Author: chetannada

javascript/1863-sum-of-all-subset-XOR-totals.js

@@ -0,0 +1,11 @@
+/**
+ * @param {number[]} nums
+ * @return {number}
+ */
+var subsetXORSum = function (nums) {
+    let bitOR = 0;
+    for (let i = 0; i < nums.length; ++i) {
+        bitOR |= nums[i];
+    }
+    return (bitOR * Math.pow(2, nums.length - 1));
+};