CH10 KeyCombos

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Map;
import java.util.Set;
import java.util.Map.Entry;

/*
 * Tuenti Contest
 * Challenge 10 - Key Combos
 * Author: Pedro Antonio Pardal Jimena
 * Email: [email protected]
 */

public class KeyCombos
{
    private static Map<Set<String>, String> Combos;

    private static Set<String> getConjuntoTeclas( String combo )
    {
        Set<String> teclas = new HashSet<String>();

        for ( String tecla : combo.split( " " ) )
        {
            teclas.add( tecla );
        }

        return teclas;
    }

    public static void main( String[] args )
    {
        BufferedReader reader = new BufferedReader( new InputStreamReader( System.in ) );

        try
        {
            int ncombos = Integer.parseInt( reader.readLine().trim() );

            Combos = new HashMap<Set<String>, String>();

            for ( int i = 0; i < ncombos; i++ )
            {
                String combo = reader.readLine().trim();
                String accion = reader.readLine().trim();

                Combos.put( getConjuntoTeclas( combo ), accion );
            }

            int ncasos = Integer.parseInt( reader.readLine().trim() );

            for ( int i = 0; i < ncasos; i++ )
            {
                String combo = reader.readLine().trim();

                Set<String> teclas = getConjuntoTeclas( combo );

                for ( Entry<Set<String>, String> entry : Combos.entrySet() )
                {
                    if ( entry.getKey().equals( teclas ) )
                    {
                        System.out.println( entry.getValue() );
                        break;
                    }
                }
            }
        }
        catch ( IOException e )
        {
            System.err.println( "Formato de la entrada incorrecto" );
        }
    }
}