int main()
{
// students who did and didn't do all of their homework
vector<Student_info> did, didnt;
// read the students records and partition them
Student_info student;
while (student.read(cin)) {
if (student.did_all_hw())
did.push_back(student);
else
didnt.push_back(student);
}
// verify that the analysis will show us something
if (did.empty()) {
cout << "No student did all the homework!" << endl;
return 1;
}
if (didnt.empty()) {
cout << "Every student did all the homework!" << endl;
return 1;
}
// do the analyses
write_analysis(cout, "median", median_analysis, did, didnt);
write_analysis(cout, "average", average_analysis, did, didnt);
write_analysis(cout, "median of homework turned in", optimistic_median_analysis, did, didnt);
return 0;
}
