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

/**
 *
 * @author eblanco
 */
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.ArrayList;
import java.util.HashSet;
import javax.swing.JFileChooser;

public class RecycledNumbers {

    public static String DatosArchivo[] = new String[10000];

    public static int[] convertStringArraytoIntArray(String[] sarray) throws Exception {
        if (sarray != null) {
            int intarray[] = new int[sarray.length];
            for (int i = 0; i < sarray.length; i++) {
                intarray[i] = Integer.parseInt(sarray[i]);
            }
            return intarray;
        }
        return null;
    }

    public static boolean CargarArchivo(String arch) throws FileNotFoundException, IOException {
        FileInputStream arch1;
        DataInputStream arch2;
        String linea;
        int i = 0;

        if (arch == null) {
            //frame.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
            JFileChooser fc = new JFileChooser(System.getProperty("user.dir"));
            int rc = fc.showDialog(null, "Select a File");
            if (rc == JFileChooser.APPROVE_OPTION) {
                arch = fc.getSelectedFile().getAbsolutePath();
            } else {
                System.out.println("No hay nombre de archivo..Yo!");
                return false;
            }
        }
        arch1 = new FileInputStream(arch);
        arch2 = new DataInputStream(arch1);
        do {
            linea = arch2.readLine();
            DatosArchivo[i++] = linea;
            /* if (linea != null) {
            System.out.println(linea);
            }*/
        } while (linea != null);
        arch1.close();
        return true;
    }

    public static boolean GuardaArchivo(String arch, String[] Datos) throws FileNotFoundException, IOException {
        FileOutputStream out1;
        DataOutputStream out2;
        int i;
        out1 = new FileOutputStream(arch);
        out2 = new DataOutputStream(out1);

        for (i = 0; i < Datos.length; i++) {
            if (Datos[i] != null) {
                out2.writeBytes(Datos[i] + "\n");
            }
        }
        out2.close();
        return true;
    }

    public static void echo(Object msg) {
        System.out.println(msg);
    }

    public static void main(String[] args) throws IOException, Exception {
        String[] res = new String[10000], num = new String[2];
        int i, j, k, ilong;
        int ele = 1;
       ArrayList al = new ArrayList();
        String FName = "C-small-attempt0",  istr, irev, linea;
        if (CargarArchivo("C:\\eblanco\\Desa\\CodeJam\\Code Jam\\test\\" + FName + ".in")) {
            for (j = 1; j <= Integer.parseInt(DatosArchivo[0]); j++) {
                linea = DatosArchivo[ele++];
                num = linea.split(" ");
                   al.clear();
                // echo("A: "+num[0]+" B: "+num[1]);
                for (i = Integer.parseInt(num[0]); i <= Integer.parseInt(num[1]); i++) {
                    istr = Integer.toString(i);
                    ilong = istr.length();
                 
                    for (k = 1; k < ilong; k++) {
                        if (ilong > k) {
                            irev = istr.substring(istr.length() - k, istr.length()) + istr.substring(0, istr.length() - k);
                            //echo("caso: " + j + ": isrt: " + istr + " irev: " + irev);
                            if ((Integer.parseInt(irev) > Integer.parseInt(num[0])) && (Integer.parseInt(irev) > Integer.parseInt(istr)) && (Integer.parseInt(irev) <= Integer.parseInt(num[1]))) {
                                al.add("(" + istr + "," + irev + ")");
                            }
                        }
                    }
                }
                HashSet hs = new HashSet();
                hs.addAll(al);
                al.clear();
                al.addAll(hs);
                res[j] = "Case #" + j + ": " + al.size();
                echo(res[j]);
                LeerArchivo.GuardaArchivo("C:\\eblanco\\Desa\\CodeJam\\Code Jam\\test\\" + FName + ".out", res);
            }
        }
    }
}

package fixjava;

import java.util.Iterator;

/**
 * Create an iterator that keeps track of the current index into the Iterable.
 * 
 * Usage:
 * 
 * <code>

	public static void main(String[] args) {
	
		// Iterate over a list:
		ArrayList<String> list = new ArrayList<String>();
		list.add("apple");
		list.add("banana");
		list.add("pear");
		for (IndexedItem<String> it : IndexedItem.iterate(list))
			System.out.println(it.getIndex() + ": " + it.getItem());
			
		// Iterate over an array:
		String[] arr = new String[] {"a", "b", "c"};
		for (IndexedItem<String> it : IndexedItem.iterate(arr))
			System.out.println(it.getIndex() + ": " + it.getItem());
	}

   </code>
 * 
 * @author (c) Luke Hutchison 2010. Covered under the BSD license.
 * 
 * @param <T>
 *            The type of the Iterable.
 */
public class IndexedItem<T> {
	private T item;
	private int index = -1;

	/** Get the current item in the iteration. */
	public T getItem() {
		return item;
	}

	/** Get the index of the current item (zero-indexed). */
	public int getIndex() {
		return index;
	}

	private static class IndexedIterator<U> implements Iterable<IndexedItem<U>>, Iterator<IndexedItem<U>> {

		private final Iterator<U> collectionIter;
		private final IndexedItem<U> currItem = new IndexedItem<U>();

		public IndexedIterator(Iterable<U> collection) {
			this.collectionIter = collection.iterator();
		}

		public IndexedIterator(final U[] array) {
			collectionIter = new Iterator<U>() {
				U[] arr = array;
				IndexedItem<U> it = currItem;

				@Override
				public boolean hasNext() {
					return it.index + 1 < arr.length;
				}

				@Override
				public U next() {
					return arr[it.index + 1];
				}

				@Override
				public void remove() {
					for (int i = it.index + 2; i < arr.length; i++)
						arr[i] = arr[i + 1];
				}
			};
		}

		@Override
		public Iterator<IndexedItem<U>> iterator() {
			return this;
		}

		@Override
		public boolean hasNext() {
			return collectionIter.hasNext();
		}

		@Override
		public IndexedItem<U> next() {
			currItem.item = collectionIter.next();
			currItem.index++;
			return currItem;
		}

		@Override
		public void remove() throws UnsupportedOperationException, IllegalStateException {
			collectionIter.remove();
			currItem.index--;
			currItem.item = null;
		}
	}

	/** Iterate over an Iterable<T> and keep track of the index */ 
	public static <T> Iterable<IndexedItem<T>> iterate(Iterable<T> collection) {
		return new IndexedIterator<T>(collection);
	}

	/** Iterate over an array T[] and keep track of the index */
	public static <T> Iterable<IndexedItem<T>> iterate(T[] array) {
		return new IndexedIterator<T>(array);
	}
}

