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

import java.util.HashSet;

/**
 *
 * @author vandit
 */
public class RecycleNumbers {

    private HashSet<String> numbers = new HashSet<String>();
    private HashSet<String> initialTempNumbers = new HashSet<String>();
    private HashSet<String> finalTempNumbers = new HashSet<String>();

    HashSet<Pair> numberPairs = new HashSet<Pair>();


    private void findRecycledNumbers(int start, int end, int places) {


        for (int i = start; i <= end; i++) {
            String initialNumber = Integer.toString(i);
            //if (!(numbers.contains(initialNumber) || finalTempNumbers.contains(initialNumber))) {

                StringBuffer tempNumber = new StringBuffer(initialNumber);
                int len = tempNumber.length();
                int startIndexToMove = len - places;
                String tempString = tempNumber.substring(startIndexToMove);
                if ((places == 1 && tempString.equals("0")) || tempString.charAt(0) == '0') {
                    continue;
                }
                tempNumber.delete(startIndexToMove, len);
                String finalTempNumber = tempString + tempNumber.toString();

                if (! (finalTempNumber.equals(initialNumber) || Integer.parseInt(finalTempNumber) > end || Integer.parseInt(finalTempNumber) < Integer.parseInt(initialNumber))) {
                    numbers.add(initialNumber);
                    finalTempNumbers.add(finalTempNumber);
                    Pair pair = new Pair(finalTempNumber,initialNumber);
                    numberPairs.add(pair);
                }
            }

        

    }

    public HashSet<Pair> findAllRecycledNumbers(int start, int end) {
        int length = Integer.toString(start).length();
        for (int i = 1; i < length; i++) {
            findRecycledNumbers(start, end, i);
        }
        return numberPairs;
    }
}

package mgg.main;

import mgg.problems.ProblemC;
import mgg.utils.FileUtil;


public class Main {

//	public final static String inFileName = ProblemA.EXAMPLE_IN;
//	public final static String outFileName = ProblemA.EXAMPLE_OUT;
//	public final static String inFileName = ProblemA.A_SMALL_IN;
//	public final static String outFileName = ProblemA.A_SMALL_OUT;
	
//	public final static String inFileName = ProblemB.EXAMPLE_IN;
//	public final static String outFileName = ProblemB.EXAMPLE_OUT;
//	public final static String inFileName = ProblemB.B_SMALL_IN;
//	public final static String outFileName = ProblemB.B_SMALL_OUT;
//	public final static String inFileName = ProblemB.B_LARGE_IN;
//	public final static String outFileName = ProblemB.B_LARGE_OUT;
	
//	public final static String inFileName = ProblemC.EXAMPLE_IN;
//	public final static String outFileName = ProblemC.EXAMPLE_OUT;
	public final static String inFileName = ProblemC.C_SMALL_IN;
	public final static String outFileName = ProblemC.C_SMALL_OUT;
//	public final static String inFileName = ProblemC.C_LARGE_IN;
//	public final static String outFileName = ProblemC.C_LARGE_OUT;
	

	
	public final static String delim = " ";

	public static void main(String[] args) {

		FileUtil util = new FileUtil(inFileName, outFileName);

		String firstLine = util.getLine();
		System.out.println("FIRST LINE: '" + firstLine + "'");

		int numLines = Integer.parseInt(firstLine);
		//System.out.println("NUMBER OF LINES: " + numLines);
		
		String result;
		
		for	(int i = 1; i <= numLines; i++) {
			
			System.out.println("----------------------------------------------------");
			
			System.out.println("Case #" + i);
			
//			result = ProblemA.solve(util);
//			result = ProblemB.solve(util);
			result = ProblemC.solve(util);
//			result = ProblemD.solve(util);
			
			util.printLine(i, result);
			
		}
		util.closeFiles();
	}

}
