1 #include <chrono> 2 #include <fstream> 3 #include <thread> 4 main(int argc,char const * argv[])5 int main(int argc, char const *argv[]) { 6 std::ofstream(argv[1]).close(); 7 std::this_thread::sleep_for(std::chrono::seconds(30)); 8 return 0; 9 } 10