cpp #include <iostream> #include <gflags/gflags.h> DEFINE_bool(verbose, false, "Enable verbose mode"); DEFINE_string(input, "", "Input file"); int main(int argc, char* argv[]) { gflags::ParseCommandLineFlags(&argc, &argv, true); if (FLAGS_verbose) { std::cout << "Verbose mode enabled" << std::endl; } if (!FLAGS_input.empty()) { std::cout << "Input file: " << FLAGS_input << std::endl; } else { std::cout << "No input file specified" << std::endl; } return 0; }