/*
 * 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 com.codejam.two12.GooglerDance;

import java.util.ArrayList;
import java.util.Arrays;

import com.jp.common.Puzzle;

public class GooglerDance implements Puzzle{

  private int numberOfGooglers;
  private int surprisingTriplets;
  private int parValue;
  private int[] totalPointArray;
  private int currentNumberOfSurprises;
  private ArrayList<Integer> ResultList;
  
  @Override
  public String[] solve(String[] dataSet) {
    // TODO Auto-generated method stub
    ResultList = new ArrayList<Integer>();
    processInput( dataSet);
    calculateResult();
    
    String result[] = new String[1];  
    result[0] = String.valueOf(ResultList.size());
    return result;
  }
  
  public void processInput(String[] dataSet){
    String data[] = dataSet[0].split(" ");
    numberOfGooglers = Integer.parseInt(data[0]);
    surprisingTriplets = Integer.parseInt(data[1]);
    parValue = Integer.parseInt(data[2]);
    
    totalPointArray = new int[numberOfGooglers];
    
    for(int i = 0; i < totalPointArray.length; i++){
      totalPointArray[i] = Integer.parseInt(data[ 3 + i]);
    }
    
    Arrays.sort(totalPointArray);
    
   }
  
  public void calculateResult(){
    
    for (int i = 0; i < totalPointArray.length; i++){
      int total = totalPointArray[i];
      int remainder = total / 3;
      int quotient = total % 3;
      
      int diff = parValue - remainder;
      
      // This cant be part of result. so skip and continue
      if(diff > 2 || (total == 0 && parValue != 0) ){
        continue;
      }
      else if(diff <= 0 ){
        ResultList.add(total);
        continue;
      }
      
      if(diff == 1 && quotient == 0 && currentNumberOfSurprises < surprisingTriplets){
        ++ currentNumberOfSurprises;
        ResultList.add(total);
      }
      else if(diff == 1 && quotient == 1 ){
        if(currentNumberOfSurprises < surprisingTriplets)
          ++ currentNumberOfSurprises;
        
        ResultList.add(total);
      }
      else if(diff == 1 && quotient == 2){
        ResultList.add(total);
      }
      else if(diff == 2 && quotient == 2 && currentNumberOfSurprises < surprisingTriplets){
        ++ currentNumberOfSurprises;
        ResultList.add(total);
      }
    }
    
    
  }
  
}
