填空题

写出下列程序的运行结果______。
#include ＜iostream.h＞
#include ＜fstream.h＞
#include ＜stdlib.h＞
void main()

fstream outfile,infile;
outfile.open("data.dat" ,ios::out);
if(!outfile)

cout＜＜"Can’t open the file."＜＜endl;
abort();

outfile ＜＜"1234567890"＜＜endl;
outfile＜＜"aaaaaa.aaa"＜＜endl;
outfile＜＜"**********"＜＜endl;
outfile.close();
in file.open("data.dat",ios::in);
if(!infile)

cout＜＜"Can’t open the file."＜＜endl;
abort();

char line[80];
int I=0;
while(!infile.eof())

I++;
infile.getline(line,sizeof(line));
cout＜＜I＜＜":"＜＜line＜＜endl;

infile.close();