package it.simone.google.code.jam2012;

import java.util.HashSet;
import java.util.Set;

public class RecycledNumber implements GoogleCodeExercise {

	int a = 0;
	int b = 0;
	Set<Couple> distinctCouple = null;
	long maxTime = 0;

	private class Couple {
		int x = 0;
		int y = 0;

		public Couple(int x, int y) {
			this.x = x;
			this.y = y;
		}

		@Override
		public int hashCode() {
			final int prime = 31;
			int result = 1;
			result = prime * result + getOuterType().hashCode();
			result = prime * result + x;
			result = prime * result + y;
			return result;
		}

		@Override
		public boolean equals(Object obj) {
			if (this == obj)
				return true;
			if (obj == null)
				return false;
			if (getClass() != obj.getClass())
				return false;
			Couple other = (Couple) obj;
			if (!getOuterType().equals(other.getOuterType()))
				return false;
			if (x == other.x && y == other.y)
				return true;
			if (x == other.y && y == other.x)
				return true;
			return false;
		}

		private RecycledNumber getOuterType() {
			return RecycledNumber.this;
		}

	}

	@Override
	public String execute(String line) {
		int result = 0;

		String[] data = line.split(" ");
		a = Integer.parseInt(data[0]);
		b = Integer.parseInt(data[1]);
		initialize();

		int n = a;
		//
		while (n <= b) {
			result += analize(n);
			n++;
//			if (n % 1000 == 0)
//				System.out.println(n);
		}

		System.out.println(result);
		return "" + result;
	}

	@Override
	public void initialize() {
		distinctCouple = new HashSet<Couple>();
	}

	private int analize(int number) {
		String numString = "" + number;
		initialize();
		for (int i = 1; i < numString.length(); i++) {
			int m = shift(numString, i);
			if (a <= number && number < m && m <= b) {
				Couple couple=new Couple(number,m);
				if (!distinctCouple.contains(couple))
					distinctCouple.add(couple);
			}
		}
		return distinctCouple.size();
	}

	private int shift(String numString, int posx) {

		String result = null;
		result = "" + numString.substring(posx) + numString.substring(0, posx);

		return Integer.parseInt(result.toString());
	}

}

package com.codegem.zaidansari;

import java.io.BufferedWriter;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import java.util.Scanner;

public class CodeGemUtil {

    public static List<String> getInputValues(File file) {
        List<String> inputData = new ArrayList<String>();
        if (!file.exists()) { throw new RuntimeException("File not fould:" + file.getAbsolutePath()); }
        try {
            Scanner scanner = new Scanner(new FileReader(file));
            while (scanner.hasNextLine()) {
                inputData.add(scanner.nextLine());
            }

        } catch (FileNotFoundException e) {
            System.out.println("Failed to find file :" + file);
        }

        return inputData;
    }

    public static boolean createOutputFile(List<String> outputData, String fileName) {
        File folderName = new File("/Users/zaansari/Desktop/CodeGem2012/OutputFiles/");
        File outputFile = new File(folderName, fileName);
        try {
            BufferedWriter writer = new BufferedWriter(new FileWriter(outputFile));
            int count = 0;
            for (String outputDatum : outputData) {
                writer.write("Case #" + (++count) + ": ");
                writer.write(outputDatum);
                writer.newLine();
            }
            writer.close();
            return true;
        } catch (IOException e) {
            System.out.println("Failed to write file :" + outputFile + ", Error Message:" + e.getMessage());
        }
        // Failed to wrirte file return false;
        return false;
    }

    public static void main(String[] args) {
        File file = new File("/Users/zaansari/Desktop/CodeGem2012/InputFiles/codeGem.in.txt");
        List<String> inputData = CodeGemUtil.getInputValues(file);
        for (String inputDatum : inputData) {
            System.out.println(inputDatum);
        }


        boolean createdOutputFile = CodeGemUtil.createOutputFile(inputData, "Q2Small.txt");
        if (createdOutputFile) {
            System.out.println("Successfully created output file");
        } else {
            System.out.println("Failed to create output file");
        }
    }
}
