#include <iostream>
#include <string>
using namespace std;


//classess allow you to create
//new data types, or "super variables"

class student
{
public:  //feel free to ingore this public
	string fname;
	string lname;
	int id;
	double ex1;
	double ex2;
	double ex3;
};


//Return the average exam score
//for the given student
double computeAverage(student someStudent)
{
	double avg;
	avg = (someStudent.ex1 + someStudent.ex2 + someStudent.ex3) / 3;
	return avg;
}


int main()
{
	student x;
	
	//use the . operator to access
	//the interal variables (or attributes)
	//of a class object
	x.fname = "Robbie";
	x.lname = "Schweller";
	x.id = 1234;
	x.ex1 = 71.2;
	x.ex2 = 80;
	x.ex3 = 91.3;

	cout << "Student name: " << x.fname << " got a " << x.ex2 << " on exam 2." << endl;

	student y;
	y.fname = "Johan";
	y.lname = "Chavarria";
	y.id = 23498;
	y.ex1 = 80;
	//y.ex2 = 93;
	y.ex3 = 30;

	cout << "Student name: " << y.fname << " got a " << y.ex2 << " on exam 2." << endl;
	cout << "whoops, " << y.fname << " must have forgotten to take exam 2." << endl;
	cout << "Please enter your exam 2 score " << y.fname << endl;
	cin >> y.ex2;
	cout << "Cool, let's take another look: " << endl;
	cout << "Student name: " << y.fname << " got a " << y.ex2 << " on exam 2." << endl;


	//Can pass supervariables to functions
	double avgX = computeAverage(x);
	double avgY = computeAverage(y);

	cout << x.fname << " has an average of " << avgX << endl;
	cout << y.fname << " has an average of " << avgY << endl;

	//You can also make an array of classes!
	student studentArray[10]; //an array of 10 students!

	studentArray[5].fname = "Victoria";
	studentArray[5].ex1 = 99.5;

	studentArray[3].fname = "Alenis";
	studentArray[3].ex1 = 95;

	studentArray[9].fname = "Juan";
	studentArray[9].ex1 = 0.3;

	for (int i = 0; i < 10; i++)
	{
		cout << studentArray[i].fname << " has score " << studentArray[i].ex1 << endl;
	}



	return 0;
}