#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;
}