#include <iostream>
using namespace std;

#include "array_example.h"

int main() {
  int scores[MAXSTUDENTS];
  int numStudents;
  double average;

  numStudents = getScores(scores);
  
  average = mean(scores, numStudents);

  cout << "The average score is " << average << endl;

  return 0;
}
  
int getScores(int scores[]) {

  for (int i = 0; i < MAXSTUDENTS; i++) {
    cout << "Enter score for student " << (i+1) << " :";
    cin >> scores[i];
    if (scores[i] < 0)
      return i-1;
  }
  return MAXSTUDENTS;
}

double mean(int scores[], int numStudents) {
  int i;
  double sum;

  sum = 0.0;

  for (i = 0; i < numStudents; i++ )
    sum += scores[i];
  
  return sum/numStudents;
}