/*
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 * 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 fixjava;

import java.util.HashMap;

public class MapDualKeyToValue<K1, K2, V> extends HashMap<Pair<K1, K2>, V> {

	private static final long serialVersionUID = 1L;

	public V put(K1 key1, K2 key2, V value) {
		return put(Pair.make(key1, key2), value);
	};

	public MultiMapKeyToList<K2, V> getValuesGroupedByKey2() {
		MultiMapKeyToList<K2, V> key2ToValues = new MultiMapKeyToList<K2, V>();
		for (java.util.Map.Entry<Pair<K1, K2>, V> ent : entrySet())
			key2ToValues.put(ent.getKey().getRight(), ent.getValue());
		return key2ToValues;
	}

	public MultiMapKeyToList<K1, V> getValuesGroupedByKey1() {
		MultiMapKeyToList<K1, V> key1ToValues = new MultiMapKeyToList<K1, V>();
		for (java.util.Map.Entry<Pair<K1, K2>, V> ent : entrySet())
			key1ToValues.put(ent.getKey().getLeft(), ent.getValue());
		return key1ToValues;
	}
}
