package dancinggooglers;

import java.io.File;
import java.util.Scanner;

public class DanceScoreCalculator {


    public static void main(String[] args) {
        if(args.length <= 0 || args[0] == null) {
            System.out.println("You must enter a file to read");
            System.out.println("Usage: blah <filename>");
            System.exit(0);
        }

        File argFile = new File(args[0]);
        try {
            Scanner googleSpeakScanner = new Scanner(argFile);
            String firstLine = googleSpeakScanner.nextLine();
            Integer linesToScan = new Integer(firstLine);
            for(int i = 1; i <= linesToScan; i++) {
                String googleDancerLine = googleSpeakScanner.nextLine();
                DanceScoreCase danceCase = new DanceScoreCase(googleDancerLine);
                System.out.println(String.format("Case #%d: %d", i, danceCase.maxDancersThatCouldPass()));
            }
        }
        catch (Exception e) {
            e.printStackTrace();
        }
    }
}

package util;

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.FileReader;
import java.io.FileWriter;

/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
/**
 *
 * @author bohmd
 */
public abstract class BaseResolver {

    private final String file;
    private BufferedReader reader;
    private BufferedWriter writer;
    int lineNum = 0;
    int caseNum = 0;

    public BaseResolver(String file) {
        this.file = file;
    }

    public void resolve() throws Exception {
        reader = new BufferedReader(new FileReader(input()));
        writer = new BufferedWriter(new FileWriter(output()));
        while (reader.ready()) {
            executeLine(reader.readLine());
            lineNum++;
        }
        reader.close();
        writer.close();
    }

    private String input() {
        return file + ".in";
    }

    private String output() {
        return file + ".out";
    }

    protected abstract void executeLine(String line) throws Exception;

    protected void write(String result) throws Exception {
        writer.write("Case #" + (++caseNum) + ":" + result);
        writer.newLine();
    }

    public int getLineNum() {
        return lineNum;
    }
}
