#include <iostream>
#include <fstream>

void makecsv() 
{
    std::ofstream myfile;
    myfile.open("test.csv");

    myfile << "테스트, 데이터, 인풋, \n";
    myfile << "1, 2, 3, \n";

    myfile.close();
}

int main()
{
    makecsv();

    return 0;
}

#include <stdio.h>

void makecsv()
{
    FILE* fp = fopen("test.csv", "w+");

	fprintf(fp, "테스트, 데이터, 인풋, \n");
	fprintf(fp, "1, 2, 3.0, \n");

	fclose(fp);
}

int main()
{
    std::cout << "Hello World!\n"; 

    makecsv();
}