package fixjava;

public class StringUtils {

	/** Repeat the given string the requested number of times. */
	public static String repeat(String str, int numTimes) {
		StringBuilder buf = new StringBuilder(Math.max(0, str.length() * numTimes));
		for (int i = 0; i < numTimes; i++)
			buf.append(str);
		return buf.toString();
	}

	/**
	 * Pad the left hand side of a field with the given character. Always adds at least one pad character. If the length of str is
	 * greater than numPlaces-1, then the output string will be longer than numPlaces.
	 */
	public static String padLeft(String str, char padChar, int numPlaces) {
		int bufSize = Math.max(numPlaces, str.length() + 1);
		StringBuilder buf = new StringBuilder(Math.max(numPlaces, str.length() + 1));
		buf.append(padChar);
		for (int i = 1, mi = bufSize - str.length(); i < mi; i++)
			buf.append(padChar);
		buf.append(str);
		return buf.toString();
	}

	/**
	 * Pad the right hand side of a field with the given character. Always adds at least one pad character. If the length of str is
	 * greater than numPlaces-1, then the output string will be longer than numPlaces.
	 */
	public static String padRight(String str, char padChar, int numPlaces) {
		int bufSize = Math.max(numPlaces, str.length() + 1);
		StringBuilder buf = new StringBuilder(Math.max(numPlaces, str.length() + 1));
		buf.append(str);
		buf.append(padChar);
		while (buf.length() < bufSize)
			buf.append(padChar);
		return buf.toString();
	}

	/** Intern all strings in an array, skipping null elements. */
	public static String[] intern(String[] arr) {
		for (int i = 0; i < arr.length; i++)
			arr[i] = arr[i].intern();
		return arr;
	}

	/** Intern a string, ignoring null */
	public static String intern(String str) {
		return str == null ? null : str.intern();
	}

}

package de.pat.dev.y2012.qualification.c;

import java.io.BufferedReader;
import java.io.FileReader;
import java.io.IOException;


/**
 * @author pat.dev@alice.de
 * @since 17.04.12
 */
public class Main {
  public static void main(String[] args) {
  try {
    BufferedReader reader = new BufferedReader(new FileReader(args[0]));
    long numberOfTestCases = nextLong(reader);
    for (int i = 0; i < numberOfTestCases; i++) {
      RecycledNumber recycledNumber = toRecycledNumber(reader.readLine().trim());
      System.out.printf("Case #%d: %d\n", i + 1, recycledNumber.pairs().size());
    }
  } catch (IOException e) {
    e.printStackTrace();
  }
}

  private static RecycledNumber toRecycledNumber(String line) {
    String[] values = line.split("\\s+");
    return new RecycledNumber(toLong(values[0]),toLong(values[1]));
  }


  private static long toLong(String value) {
    return Long.parseLong(value);
  }

  private static long nextLong(BufferedReader reader) throws IOException {
    return toLong(reader.readLine().trim());
  }
}
