Print last result after process

aes-tboxes/aes.cpp

@@ -210,5 +210,6 @@ int main(int argc, char* argv[])
  
     std::cout << "AES (" << cycles  << " runs)\nElapsed time: ";
     std::cout << milliseconds << "ms\n"; // Before C++20
+    std::cout << "Last result: " << in << "\n";
     exit(in[0]);
 }