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package year_2012.qualification;

import java.io.BufferedReader;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.HashSet;
import java.util.Set;

/**
 *
 * @author paul
 * @date 14 Apr 2012
 */
public class QuestionC {

    private static Set<Integer> getCycle(int x) {

        String s = Integer.toString(x);
        Set<Integer> set = new HashSet<Integer>();
        set.add(x);
        for (int c = 1; c < s.length(); c++) {
            String t = s.substring(c).concat(s.substring(0, c));
            set.add(Integer.parseInt(t));
        }
        return set;
        
    }

    private static Set<Integer> mask(Set<Integer> set, int a, int b) {
        Set<Integer> result = new HashSet<Integer>();

        for (int x : set) {
            if (x >= a && x <= b) {
                result.add(x);
            }
        }
        
        return result;

    }


    public static void main(String[] args) throws FileNotFoundException, IOException {

        String question = "C";

//        String name = "large";
        String name = "small-attempt0";
//        String name = "test";

        String filename = String.format("%s-%s", question, name);

        BufferedReader input = new BufferedReader(
                new FileReader(String.format("/home/paul/Documents/code-jam/2012/qualification/%s.in",
                filename)));

        String firstLine = input.readLine();

        PrintWriter pw = new PrintWriter(new File(
                String.format("/home/paul/Documents/code-jam/2012/qualification/%s.out", filename)));


        int T = Integer.parseInt(firstLine);

        // Loop through test cases.
        for (int i = 0; i < T; i++) {

//             Read data.
            String[] tokens = input.readLine().split(" ");

//            int N = Integer.parseInt(input.readLine());

            int A = Integer.parseInt(tokens[0]);
            int B = Integer.parseInt(tokens[1]);

//            System.out.format("%d, %d\n", A, B);

            boolean[] used = new boolean[B+1];
            int total = 0;
            for (int n = A; n <= B; n++) {
                if (!used[n]) {
                    Set<Integer> set = mask(getCycle(n), A, B);
                    int k = set.size();
                    total += (k * (k-1))/2;
                    for (int m : set) {
                        used[m] = true;
                    }
                }
            }

            pw.format("Case #%d: %d\n", i + 1, total);
        }

        pw.close();

    }

}

package google.solver;

import java.io.BufferedWriter;
import java.io.File;
import java.io.FileWriter;

public class ProblemPackageCreator  implements ChallengeConstants{

	private final String packageName;
	private String directoryName;
	private String challengeDef;
	private String readerName;
	private String challengeName;
	private String packagePath;


	ProblemPackageCreator(String packageName){
		this.packageName = packageName;
		packagePath = "google.contest."+packageName;
		directoryName = BASE_DIR+DELIMITER+packageName;
		challengeDef = BASE_DIR+DELIMITER+packageName+DELIMITER+CHALLENGE_DEFINITION;
		readerName = packageName.substring(0,1).toUpperCase()+packageName.substring(1)+"Reader";
		challengeName = packageName.substring(0,1).toUpperCase()+packageName.substring(1)+"Challenge";
	}

	private void create() {
		try{
			createDirectory();
			createTestIn();
			createChallengeDefinition2();
			createReader();
			createChallenge();
		}
		catch(Exception e){
			throw new RuntimeException(e);
		}
	}

	private void createTestIn() {
		writeToPath(TEST_IN, "");
		
	}

	private void createChallenge() {
		String def ="package "+packagePath+";\n\n"+
				"import google.loader.Challenge;\n"+
				"import google.problems.AbstractChallenge;\n\n"+
				"public class "+challengeName+" extends AbstractChallenge implements Challenge {\n\n"+
				"public "+challengeName+"(int number) {\n"+
				"super(number);\n"+
				"setResult(\"\");\n"+
				"}\n"+
				"}\n";
		writeJava(challengeName, def);
	}

	private void createReader() {
		String def = "package "+packagePath+";\n\n"+
				"import google.loader.Challenge;\n"+
				"import google.problems.AbstractReader;\n\n"+
				"public class "+readerName+" extends AbstractReader {\n \n"+
				"@Override\n"+
				"protected Challenge createChallenge(int number) {\n"+
				"int theLine = getActualLine();\n"+
				"String[] lines = getLines();\n"+
				"int value = Integer.parseInt(getLines()[theLine]);\n"+
				challengeName+" chal = new "+challengeName+"(number);\n"+
				"setActualLine(theLine+1);\n"+
				"return chal;\n"+
				"}\n"+
				"\n"+
				"}\n";

		writeJava(readerName, def);
	}
	
	private void writeToPath(String fileName, String text){
		write(directoryName+DELIMITER+fileName, text);
	}

	private void writeJava(String baseName, String text) {
		writeToPath(baseName+".java", text);
	}

	private void createChallengeDefinition() {
		String def = "fileName="+TEST_IN+"\n"+
				"# fileName=A-small-practice.in\n"+
				"# fileName=A-large-practice.in\n"+
				"# fileName=B-small-practice.in\n"+
				"# fileName=B-large-practice.in\n"+
				"# fileName=C-small-practice.in\n"+
				"# fileName=C-large-practice.in\n"+
				"readerClassName="+packagePath+"."+readerName;
		write(challengeDef, def);
	}

	private void createChallengeDefinition2() {
		String def = "fileName="+TEST_IN+"\n"+
				"# fileName="+packageName+"-small-practice.in\n"+
				"# fileName="+packageName+"-large-practice.in\n"+
				"readerClassName="+packagePath+"."+readerName;
		write(challengeDef, def);
	}
	
	private void createDirectory() throws Exception{
		File file = new File(directoryName);
		if(! file.exists()){
			file.mkdir();
		}else{
			throw new RuntimeException("alreadyExisting");
		}
	}

	public static void main(String[] args) {
		String packageName =CHALLENGE_NAME;
		ProblemPackageCreator creator = new ProblemPackageCreator("A");
		creator.create();
		creator = new ProblemPackageCreator("B");
		creator.create();
		creator = new ProblemPackageCreator("C");
		creator.create();
	}

	public static void write(String aFileName, String text) {
		try{
			FileWriter fstream = new FileWriter(aFileName);
			BufferedWriter out = new BufferedWriter(fstream);
			out.write(text);
			out.close();
		}catch (Exception e){
			throw new RuntimeException(e);
		}
	}


}
