#include <iostream>
using namespace std;

void getScores(int scores[], int numStudents);
double mean (int scores[], int numStudents);

int main() {
  const int NUM_STUDENTS = 10;
  int scores[NUM_STUDENTS];
  double average;

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

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

  return 0;
}
  
void getScores(int scores[], int numStudents) {
  int i;

  for (i = 0; i < numStudents; i++ ) {
    cout << "Enter score for student " << (i+1) << " :";
    cin >> scores[i];
  }
}

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;
}