Create maximum-xor-after-operations.cpp

Author: kamyu104

C++/maximum-xor-after-operations.cpp

@@ -0,0 +1,13 @@
+// Time:  O(n)
+// Space: O(1)
+
+// bit manipulation
+class Solution {
+public:
+    int maximumXOR(vector<int>& nums) {
+        return accumulate(cbegin(nums), cend(nums), 0,
+                          [](const auto& a, const auto& b) {
+                              return a | b;
+                          });
+    }
+};