#include <iostream>
#include <experimental/filesystem>
namespace fs = std::experimental::filesystem;

int main() {
    std::string old_directory_name = "old_directory";
    std::string new_directory_name = "new_directory";

    try {
        // 디렉토리를 새로운 이름으로 변경
        fs::rename(old_directory_name, new_directory_name);
        std::cout << "디렉토리 이름을 변경했습니다." << std::endl;
    } catch (fs::filesystem_error const & e) {
        std::cout << e.what() << std::endl;
    }

    return 0;
}