/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package codejam.common;

import java.util.ArrayList;
import java.util.List;

/**
 *
 * @author Lance Chen
 */
public class CodeHelper {

    private static String FILE_ROOT = "D:/workspace/googlecodejam/meta";

    public static List<List<String>> loadInputsExcludes(String fileName) {
        List<List<String>> result = new ArrayList<List<String>>();
        List<String> lines = FileUtil.readLines(FILE_ROOT + fileName);
        int index = 0;
        for (String line : lines) {
            if (index == 0) {
                index++;
                continue;
            }
            if (index % 2 == 1) {
                index++;
                continue;
            }
            List<String> dataList = new ArrayList<String>();
            String[] dataArray = line.split("\\s+");
            for (String data : dataArray) {
                if (data.trim().length() > 0) {
                    dataList.add(data);
                }
            }
            result.add(dataList);
            index++;
        }
        return result;
    }

    public static List<List<String>> loadInputs(String fileName) {
        List<List<String>> result = new ArrayList<List<String>>();
        List<String> lines = FileUtil.readLines(FILE_ROOT + fileName);
        for (String line : lines) {
            List<String> dataList = new ArrayList<String>();
            String[] dataArray = line.split("\\s+");
            for (String data : dataArray) {
                if (data.trim().length() > 0) {
                    dataList.add(data);
                }
            }
            result.add(dataList);
        }
        return result;
    }

    public static List<String> loadInputLines(String fileName) {
        return FileUtil.readLines(FILE_ROOT + fileName);
    }

    public static void writeOutputs(String fileName, List<String> lines) {
        FileUtil.writeLines(FILE_ROOT + fileName, lines);
    }
}

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));
		}
	}
}