{
Double average;
if (linenum == 0)
{
int n = 1;
char next, n1, n2, n3;
exit (1);
cout <<"Input file opening failed.";
fout < fin.open (“d: \ \ file \ \ 5-22 \ \ project.txt “);
if (next ==
change (fin, fout);
}
< strong> # include
}
if (next <|next>
exit (1);
}
}
fin.get (n3);
void change (ifstream