package jp.funnything.competition.util;

import java.io.BufferedReader;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.IOException;
import java.math.BigDecimal;
import java.math.BigInteger;

import org.apache.commons.io.IOUtils;

public class QuestionReader {
    private final BufferedReader _reader;

    public QuestionReader( final File input ) {
        try {
            _reader = new BufferedReader( new FileReader( input ) );
        } catch ( final FileNotFoundException e ) {
            throw new RuntimeException( e );
        }
    }

    public void close() {
        IOUtils.closeQuietly( _reader );
    }

    public String read() {
        try {
            return _reader.readLine();
        } catch ( final IOException e ) {
            throw new RuntimeException( e );
        }
    }

    public BigDecimal[] readBigDecimals() {
        return readBigDecimals( " " );
    }

    public BigDecimal[] readBigDecimals( final String separator ) {
        final String[] tokens = readTokens( separator );

        final BigDecimal[] values = new BigDecimal[ tokens.length ];
        for ( int index = 0 ; index < tokens.length ; index++ ) {
            values[ index ] = new BigDecimal( tokens[ index ] );
        }

        return values;
    }

    public BigInteger[] readBigInts() {
        return readBigInts( " " );
    }

    public BigInteger[] readBigInts( final String separator ) {
        final String[] tokens = readTokens( separator );

        final BigInteger[] values = new BigInteger[ tokens.length ];
        for ( int index = 0 ; index < tokens.length ; index++ ) {
            values[ index ] = new BigInteger( tokens[ index ] );
        }

        return values;
    }

    public int readInt() {
        final int[] values = readInts();

        if ( values.length != 1 ) {
            throw new IllegalStateException( "Try to read single interger, but the line contains zero or multiple values" );
        }

        return values[ 0 ];
    }

    public int[] readInts() {
        return readInts( " " );
    }

    public int[] readInts( final String separator ) {
        final String[] tokens = readTokens( separator );

        final int[] values = new int[ tokens.length ];
        for ( int index = 0 ; index < tokens.length ; index++ ) {
            values[ index ] = Integer.parseInt( tokens[ index ] );
        }

        return values;
    }

    public long readLong() {
        final long[] values = readLongs();

        if ( values.length != 1 ) {
            throw new IllegalStateException( "Try to read single interger, but the line contains zero or multiple values" );
        }

        return values[ 0 ];
    }

    public long[] readLongs() {
        return readLongs( " " );
    }

    public long[] readLongs( final String separator ) {
        final String[] tokens = readTokens( separator );

        final long[] values = new long[ tokens.length ];
        for ( int index = 0 ; index < tokens.length ; index++ ) {
            values[ index ] = Long.parseLong( tokens[ index ] );
        }

        return values;
    }

    public String[] readTokens() {
        return readTokens( " " );
    }

    public String[] readTokens( final String separator ) {
        return read().split( separator );
    }
}

package reusable;

import java.io.IOException;
import java.nio.charset.Charset;
import java.nio.file.Files;
import java.nio.file.Paths;
import java.util.ArrayList;
import java.util.List;

public abstract class CodeJamBase {
	private final List<String> inputLines;
	private final String filename;
	private int testCases;
	private int index = 0;

	public CodeJamBase(String filename) {
		this.filename = (filename != "") ? filename : "sample";

		try {
			inputLines = Files.readAllLines(Paths.get("data/" + this.filename + ".in"), Charset.defaultCharset());
		} catch (IOException e) {
			throw new RuntimeException("Failed to read file: '" + this.filename + "'");
		}

		setup();
	}

	protected void setup() {
		setTestCases(nextInt());
	}

	protected abstract String solution();

	public void run() {
		long startTime = System.currentTimeMillis();

		List<String> outputLines = new ArrayList<>();

		for (int i = 0; i < testCases; i++) {
			String outputLine = "Case #" + (i + 1) + ": " + solution();
			outputLines.add(outputLine);
			System.out.println(outputLine);
		}

		try {
			Files.write(Paths.get("data/" + filename + ".out"), outputLines, Charset.defaultCharset());
		} catch (IOException e) {
			throw new RuntimeException("Failed to write file: '" + filename + "'");
		}

		System.out.println();
		System.err.println("Total run time: " + ((System.currentTimeMillis() - startTime) / 1000d) + "s");
	}

	protected final String nextString() {
		return inputLines.get(index++);
	}

	protected final int nextInt() {
		return Integer.parseInt(nextString());
	}

	protected final String[] nextStringArray() {
		return inputLines.get(index++).split(" ");
	}

	protected final int[] nextIntArray() {
		String[] items = nextStringArray();

		int[] result = new int[items.length];

		for (int i = 0; i < items.length; i++) {
			result[i] = Integer.parseInt(items[i]);
		}

		return result;
	}

	public final void setTestCases(int testCases) {
		this.testCases = testCases;
	}
}
