Failai ir ju spausdinimas

#include <fstream>
#include <iostream>

int main() {
  ifstream df("U1.txt");
  ofstream rf("U1rez.txt");
  int n;
  df >> n;
  for (int i = 1; i <= n; i++) {
    rf << "*\n";
  }
  df.close();
  rf.close();
  return 0;
}