#include <iostream>
#include <fstream>
using namespace std;
int main (){
int i;
ofstream myfile;
myfile.open ("numbers.txt");
for (i=1;i<=20;i++)
myfile << " "<< i ;
myfile.close();
return 0;
}
Gasesti fisierul text in folderul unde ai salvat programul.
Bafta!