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 CaseSolvers;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.Comparator;

import Controller.IO;

public class WiresCase extends CaseSolver {

	private ArrayList<Short[]> lines;
	private int numOfIntersections;

	public WiresCase(int order, int numberOfLines, IO io) {
		super(order, numberOfLines, io);
	}

	@Override
	public void initializeVars() {
		lines = new ArrayList<Short[]>();
	}

	@Override
	public void addLine(String line) {
		String[] tmp = line.split(" ");
		Short[] tmp2 = { Short.parseShort(tmp[0]), Short.parseShort(tmp[1]) };
		this.lines.add(tmp2);
	}

	@Override
	public void printSolution() {
		System.err.println("Case #" + getOrder() + ": " + numOfIntersections);
	}

	@Override
	public CaseSolver process() {
		Collections.sort(lines, new Comparator<Short[]>() {
			@Override
			public int compare(Short[] o1, Short[] o2) {
				return o1[0] - o2[0];
			}
		});
		//printList();


		for (int i = 0; i < lines.size(); i++) {
			for (int j = i + 1; j < lines.size(); j++) {
				if (lines.get(i)[1] > lines.get(j)[1]) {
					numOfIntersections++;
				}
			}
		}

		return this;
	}

	private void printList() {
		for (Short[] a : lines) {
			System.err.println(Arrays.deepToString(a));
		}
	}
}