// Marty Stepp, CSE 142, Autumn 2008
// This program tallies student attendance scores for different sections.
// Reports attendance, scores and grades for each student.
//
// This version sends its output to a file instead of to the console.

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

public class Sections2 {
	// maximum points that a student can earn
	public static final int MAX = 20;
	
	public static void main(String[] args) throws FileNotFoundException {
		Scanner input = new Scanner(new File("sections.txt"));
		PrintStream output = new PrintStream(new File("sections_out.txt"));
		
		while (input.hasNextLine()) {
			String sectionData = input.nextLine();
			int[] attended = computeAttendance(sectionData);
			int[] scores = computeScores(attended);
			double[] grades = computeGrades(scores);
			results(attended, scores, grades, output);
		}
	}
	
	// Computes the number of sections each student attended based on the given data.
	// Returns the attendance data as an array.
	public static int[] computeAttendance(String sectionData) {
		int[] attended = new int[5];
		for (int i = 0; i < sectionData.length(); i++) {
			if (sectionData.charAt(i) == '1') {   // '1' or '0'
				attended[i % 5]++;
			}
		}
		return attended;
	}
	
	// Computes the points earned by each student based on the given attendance data.
	// Returns the points data as an array.
	public static int[] computeScores(int[] attended) {
		int[] scores = new int[5];
		for (int i = 0; i < attended.length; i++) {
			scores[i] = Math.min(3 * attended[i], MAX);
		}
		return scores;
	}
	
	// Computes the grade percentage of each student based on the given points earned and a max score of 20.
	// Returns the grades data as an array.
	public static double[] computeGrades(int[] scores) {
		double[] grades = new double[5];
		for (int i = 0; i < scores.length; i++) {
			grades[i] = 100.0 * scores[i] / MAX;
		}
		return grades;
	}
	
	// Prints results about this section to the given output file.
	public static void results(int[] attended, int[] scores, double[] grades, PrintStream output) {
		output.println("Sections attended: " + Arrays.toString(attended));
		output.println("Student scores: " + Arrays.toString(scores));
		output.println("Student grades: " + Arrays.toString(grades));
		output.println();
	}
}