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 info.zhenhua.codejam;

import java.io.BufferedReader;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.IOException;
import java.io.PrintStream;
import java.util.Arrays;
import java.util.HashSet;
import java.util.Set;

abstract class RecycledNumbersSolver {
  protected String inputFileName;
  String outputFileName = null;
  PrintStream ps = null;
  
  public final static String smallInput = "-small-practice.in";
  public final static String bigInput = "-large-practice.in";
  public final static String smallOutput = "-small-practice.out";
  public final static String bigOutput = "-large-practice.out";
  
  public final static String smallContestInput = "-small-attempt0.in";
  public final static String bigContestInput = "-large.in";
  public final static String smallContestOutput = "-small-attempt0.out";
  public final static String bigContestOutput = "-large.out";
  
  protected String fileNamePrefix = null;
  
  public RecycledNumbersSolver(String inputFileName, String outputFileName, String fileNamePrefix) {
    this.inputFileName = inputFileName;
    this.outputFileName = outputFileName;
    this.fileNamePrefix = fileNamePrefix;
  }
  
  
  public String getInputFileName() {
    return fileNamePrefix + inputFileName;
  }

  public void setInputFileName(String inputFileName) {
    this.inputFileName = inputFileName;
  }

  public String getOutputFileName() {
    return fileNamePrefix + outputFileName;
  }

  public void setOutputFileName(String outputFileName) {
    this.outputFileName = outputFileName;
  }

  abstract protected void solveAll() throws IOException;

  protected void printOutput (String result) throws FileNotFoundException {
    if (ps == null) {
      if (this.getOutputFileName() == null)
        ps = new PrintStream(System.out);
      else
        ps = new PrintStream(this.getOutputFileName());
    }
    ps.println(result);
  }
}
/**
 * @author zhguo
 * 
 */
public class RecycledNumbers extends RecycledNumbersSolver {

  public RecycledNumbers(String inputFileName, String outputFileName) {
    super(inputFileName, outputFileName, "C");
  }

  /**
   * @param args
   * @throws IOException
   */
  public static void main(String[] args) throws IOException {
    RecycledNumbers recycledNumbers = new RecycledNumbers(bigContestInput,
        bigContestOutput);
    recycledNumbers.solveAll();
  }

  @Override
  protected void solveAll() throws IOException {
    BufferedReader br = new BufferedReader(new FileReader(getInputFileName()));
    String line = br.readLine();
    int testcases = Integer.valueOf(line);
    for (int j = 1; j <= testcases; ++j) {
      line = br.readLine();
      String[] parts = line.split(" ");
      int min = Integer.valueOf(parts[0]);
      int max = Integer.valueOf(parts[1]);
      
      long result = solveOneTestCase(min, max);
      printOutput("Case #" + j + ": " + result);
    }
    br.close();
    if (ps != null)
      ps.close();
  }

  static final int MAX = 2000000;
  Set<Integer> visited = new HashSet<Integer>();
  
  private long solveOneTestCase(int min, int max) {
    StringBuilder sb = new StringBuilder();
    long nums = 0;
    for (int i = min; i <= max; ++i) {
      visited.clear();
      sb.replace(0, sb.length(), String.format("%d%d", i, i));
      int len = sb.length() / 2;
      for (int j = 1; j < len; ++j) {
        int num = Integer.valueOf(sb.substring(j, j + len));
        if (num > max || num <= i || visited.contains(num)) continue;
        visited.add(num);
        ++nums;
      }
    }
    return nums;
  }
}
