/* Program to process exam grades using an array */
	#include <iostream>
	#include <fstream>
	using namespace std;
	
    const int SIZE = 50;

	int main()
	{
		int num,sum=0;
		int mark[SIZE];
		double avgmark;

        //un-comment to redirect cin to a file
//		ifstream cin("c:\\bc\\cis1_5\\newpgms\\chapter7\\myinput.txt");

		cout << "Enter the number of marks: ";
		cin >> num;

		if (num > 0 && num <= SIZE)
			cout << endl << "There are " << num << " marks" << endl << endl;
		else
		{
			cout << "Invalid number of marks" << endl;
			
			system("pause");
			exit(1);
		}

		// enter marks and find average mark
		for (int count = 0; count < num; count++)
		{
			cout << "Enter a mark: ";
			cin >> mark[count];
			cout << mark[count] << endl;
			sum += mark[count];
		}	

		avgmark = (double)sum/num;
		cout << endl << "The average is " << avgmark << endl;
		
		system("pause");
		return 0;
	}