// Lab 10
// Programmer: Daniel Shen
// Editor(s) used: XP Notepad
// Compiler(s) used: Java 1.6.0_12
//

import java.io.*;
import java.util.*;
import java.text.*;

public class MyList
{
  static double getAverage(int[] score)
  {
    int sum = 0;
    int i = 0;
    for (i = 0; i < score.length; i++)
      sum += score[i];
    double average = (double)sum / score.length;
    return average;
  } // getAverage

    static int countScoresGreater(int[] score, double x)
    {
      int nGreater = 0;
      int i; // loop counter
      for (i = 0; i < score.length; i++)
        if (score[i] >= x) nGreater++;
      return nGreater;
    } // countScoresGreater


  public static void main(String[] argv) throws Exception
  {
    BufferedReader cin;
    cin = new BufferedReader(new InputStreamReader(System.in));

    int size;
    System.out.print("What is the size? ");
    size = new Double(cin.readLine()).intValue();
    int[] score = new int[size];

    // read and save the scores
    int i;
    for (i = 0; i < score.length; i++)
    {
      System.out.print("Please enter score[" + i + "]: ");
      score[i] = new Double(cin.readLine()).intValue();
    }

    Arrays.sort(score);

    System.out.print("Sorted order low to high is: ");

    for (i = 0; i < score.length; i++)
      System.out.print("" + score[i] + ' ');
    System.out.println();

    // find the max AND min integers
    int max = score[0];
    int min = score[0];
    for (i = 1; i < score.length; i++)
    {
      if (max < score[i]) max = score[i];
      if (min > score[i]) min = score[i];
    } // for
      System.out.println("The max is " + max);
      System.out.println("The min is " + min);

    System.out.print("Average = ");
    System.out.println(new DecimalFormat("#.0").format(getAverage(score)));

    System.out.println("" + countScoresGreater(score, 90)
      + " scores are A's.");

    System.out.println("" + countScoresGreater(score, 80)
      + " scores are B's.");

    System.out.println("" + countScoresGreater(score, 70)
      + " scores are C's.");


  } // main
} // public class