//File:	arrayAlt.cpp
#include <fstream>
#include <string>
using namespace std;

struct student_record
{
	string	name;
	int	age;
	double	gpa;
};

int main()
{
	//Using array of pointers to records could be more space efficient
	student_record * student[30];
	
	ifstream fin("students_in.txt");
	ofstream fout("students_out.txt");

	int k;
	for (k=0; !fin.eof(); k++)
	{
		student[k] = new student_record;	//dynamic memory allocation
		fin 	>> student[k]->name
			>> student[k]->age
			>> student[k]->gpa;
	}
	
	for(int j=0; j<k; j++)
	{
		//try rewriting the following using the indirect member 
		//selector operator ->
		fout	<< (*student[j]).name << '\t'
			<< (*student[j]).age << '\t'
			<< (*student[j]).gpa
			<< endl;
		delete student[j];	//releases memory back to heap
	}
	return 0;
}