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

import java.io.BufferedReader;
import java.io.FileReader;
import java.io.IOException;
import java.util.ArrayList;
    
/**
 * 
 * @author dannocz
 */
public class InputReader {
    
    public static Input readFile(String filename){
        try {
              
              /*  Sets up a file reader to read the file passed on the command
          77        line one character at a time */
              FileReader input = new FileReader(filename);
              
              /* Filter FileReader through a Buffered read to read a line at a
                 time */
              BufferedReader bufRead = new BufferedReader(input);
              
              String line;    // String that holds current file line
              int count = 0;  // Line number of count 
              ArrayList<String> cases= new ArrayList<String>();
              
              // Read first line
              line = bufRead.readLine();
              int noTestCases=Integer.parseInt(line);
              count++;
              
              // Read through file one line at time. Print line # and line
              while (count<=noTestCases){
                  //System.out.println("Reading. "+count+": "+line);
                  line = bufRead.readLine();
                  cases.add(line);
                  count++;
              }
              
              bufRead.close();
              
              return new Input(noTestCases,cases);
              
          }catch (ArrayIndexOutOfBoundsException e){
              /* If no file was passed on the command line, this expception is
              generated. A message indicating how to the class should be
              called is displayed */
              e.printStackTrace();        
  
          }catch (IOException e){
              // If another exception is generated, print a stack trace
              e.printStackTrace();
          }
        
        return null;
          
      }// end main
    }

package mgg.utils;

import java.util.ArrayList;
import java.util.HashSet;
import java.util.List;

/**
 * @author manolo
 * @date 13/04/12
 */
public class CombinatoryUtils {

	public static List<Integer> findAddingCombination(int total, 
			List<Integer> listOfNumbers) {

		ArrayList<Integer> solution = new ArrayList<Integer>();

		for (int i = 0; i < listOfNumbers.size(); i++){
			for (int j = 0; j < listOfNumbers.size(); j++){

				if( (i != j) &&
						(listOfNumbers.get(i) + listOfNumbers.get(j) == total) ){
					solution.add(listOfNumbers.get(i));
					solution.add(listOfNumbers.get(j));
					return solution;
				}

			}
		}
		return null;
	}

	public static List<Integer> findAddingCombinationIndices(int total, 
			List<Integer> listOfNumbers) {

		ArrayList<Integer> solution = new ArrayList<Integer>();

		for (int i = 0; i < listOfNumbers.size(); i++){
			for (int j = 0; j < listOfNumbers.size(); j++){

				if( (i != j) &&
						(listOfNumbers.get(i) + listOfNumbers.get(j) == total) ){
					solution.add(i);
					solution.add(j);
					return solution;
				}

			}
		}
		return null;
	}

	public static List<Integer> findAddingCombinationIndicesBase1(int total, 
			List<Integer> listOfNumbers) {

		ArrayList<Integer> solution = new ArrayList<Integer>();

		for (int i = 0; i < listOfNumbers.size(); i++){
			for (int j = 0; j < listOfNumbers.size(); j++){

				if( (i != j) &&
						(listOfNumbers.get(i) + listOfNumbers.get(j) == total) ){
					solution.add(i+1);
					solution.add(j+1);
					return solution;
				}

			}
		}
		return null;
	}

	public static List<Triplet> possibleTriplets(int score) {
		List<Triplet> listOfTriplets = new ArrayList<Triplet>();
		
		for(Triplet t : allPossibleTriplets){
			if(t.sum() == score){
				listOfTriplets.add(t);
			}
		}
		
		return listOfTriplets;
	}
	
	private final static List<Triplet> allPossibleTriplets = allPossibleTriplets();
	
	private static List<Triplet> allPossibleTriplets() {

		HashSet<Triplet> set = new HashSet<Triplet>();
		
//		int cont = 0;
		for (int i = 0; i <= 10; i++) {
			for (int j = 0; j <= 10; j++) {
				if(Math.abs(i-j) <= 2){
					for (int k = 0; k <= 10; k++) {
						if((Math.abs(i-k) <= 2) && (Math.abs(j-k) <= 2)){
//							cont++;
//							System.out.println("(" + i + ", " + j + ", " + k + ")\t\tcont = " + cont);7
							set.add(new Triplet(i, j, k));
							
						}
					}
				}
			}	
		}
		
		return new ArrayList<Triplet>(set);

	}

}
