#include <iostream>
#include <fstream>

using namespace std;

int main(void) {
  ofstream file;

  //open a file for writing
  file.open("numbers.txt");

  //write to the file
  for(int i=0; i<100; i++) {
    file << i << endl;
  }

  //close the file
  file.close();
  
  return 0;
}