A - NIT orz!

https://codeforces.com/contest/1696/submission/161739532

Codeforces/1696/A/A.cpp

@@ -0,0 +1,31 @@
+#include <iostream>
+
+using std::cin;
+using std::cout;
+const char endl = '\n';
+
+int t, n, z;
+long long a, x;
+
+int main() {
+    std::ios::sync_with_stdio(false);
+    cin.tie(nullptr);
+
+    cin >> t;
+
+    while (t--) {
+        a = 0;
+
+        cin >> n >> z;
+
+        for (int i = 1; i <= n; i++) {
+            cin >> x;
+
+            a = std::max(a, x | z);
+        }
+
+        cout << a << endl;
+    }
+
+    return 0;
+}