/* Program to process exam grades */
	#include <iostream>
	#include <fstream>
	using namespace std;
	
	int main()
	{
		int num,sum=0;
		int mark;
		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)
			cout << "There are " << num << " marks" <<endl;
		else
		{
			cout << "Invalid number of marks" << endl;
			
			system("pause");
			exit(1);
		}

		// enter marks and find average mark
		for (int count = 1; count <= num; count++)
		{
			cout << "Enter a mark: ";
			cin >> mark;
			sum += mark;
		}	

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