Competitive Programming template

Competitive.java

package io.purush.hadoop.giscup.script;

import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStreamWriter;
import java.io.PrintWriter;

public class Main {
    private static int totalchars = 0, offset = 0;
    private static InputStream stream;
    private static byte[] buffer = new byte[1024];

    private static int readByte() {
        if (totalchars < 0)
            return 0;
        if (offset >= totalchars) {
            offset = 0;
            try {
                totalchars = stream.read(buffer);
            } catch (IOException e) {
                return 0;
            }
            if (totalchars <= 0)
                return -1;
        }
        return buffer[offset++];
    }

    private static int readInt() {
        int number = readByte();

        while (eolchar(number))
            number = readByte();

        int sign = 1;
        int val = 0;

        if (number == '-') {
            sign = -1;
            number = readByte();
        }

        do {
            if ((number < '0') || (number > '9'))
                return 0;
            val *= 10;
            val += (number - '0');
            number = readByte();
        } while (!eolchar(number));

        return sign * val;
    }

    private static boolean eolchar(int c) {
        return c == ' ' || c == '\n' || c == -1 || c == '\r' || c == '\t';
    }

    public static void main(String[] args) {
        stream = System.in;
        PrintWriter pw = new PrintWriter(new OutputStreamWriter(System.out));


        //READ INPUT, PROCESS

        pw.flush();
        pw.close();

    }
}