[交流] C++格式化输出 已有2人参与

#include <iostream>
#include <fstream>

int main (int argc, char* argv[])
{
    std::ofstream write_file("OutputFormat.dat");
    write_file.setf(std::ios::scientific);
    write_file.setf(std::ios::showpos);
    write_file.precision(13);

     double x = 3.14, y = 0.0000855, z = 984.424;
     write_file << x << " " << y << " " << z << " \n";

      write_file.close();
      return 0;
}