/*
 * 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 Q2;

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

abstract public class Solver {
	protected BufferedReader input;
	protected final String nl = System.getProperty("line.separator");

	abstract public String solve() throws Exception;

	protected String readLine(){
		try {
			return input.readLine();
		} catch (IOException e) {
			e.printStackTrace();
			System.exit(-1);
		}
		return null;
	}

	protected Long[] splitLineL(String line){
		return splitLineL(line, " ");
	}

	protected Long[] splitLineL(String line, String delim){
		String[] split = line.split(delim);
		Long[] $ = new Long[split.length];
		for(int i=0;i<split.length;i++){
			$[i] = Long.parseLong(split[i]);
		}
		return $;
	}

	protected Integer[] splitLine(String line){
		return splitLine(line, " ");
	}

	protected Integer[] splitLine(String line, String delim){
		String[] split = line.split(delim);
		Integer[] $ = new Integer[split.length];
		for(int i=0;i<split.length;i++){
			$[i] = Integer.parseInt(split[i]);
		}
		return $;
	}

	public void setInput(BufferedReader input) {
		this.input = input;
	}

	<T> void printArr(T[] arr){
		for(int i=0;i<arr.length;i++){
			System.out.println(arr[i]);
		}
	}
	<T> void printArr(T[][] arr){
		for(int i=0;i<arr.length;i++){
			for(int j=0;j<arr[i].length;j++){
				System.out.print(arr[i][j]+" ");
			}
			System.out.println();
		}
	}
}
