Codechef -> Practice -> Easy -> ATM

Problem Link : http://www.codechef.com/problems/HS08TEST

Solution :

import java.io.BufferedInputStream;

import java.io.BufferedReader;

import java.io.IOException;

import java.io.InputStreamReader;

/**

 *

 * @author XCoder

 */

class ATM {

    public static void main(String[] args) throws IOException {

        String s = br.readLine();

        float towithdraw = Float.parseFloat(s.split(" ")[0]);

        float totbal = Float.parseFloat(s.split(" ")[1]);

        if (towithdraw % 5 == 0 && (towithdraw+0.5) <= totbal) {

            String f=String.format("%.2f", totbal - towithdraw - 0.5);

            System.out.println(f);

        }else{

            String f=String.format("%.2f", totbal);

            System.out.println(f);

        }

    }

    private static BufferedInputStream bis = new BufferedInputStream(System.in);

    private static BufferedReader br = new BufferedReader(new InputStreamReader(System.in));

    public static int readIntLine() throws IOException {

        return Integer.parseInt(br.readLine());

    }

    public static long readLongLine() throws IOException {

        return Long.parseLong(br.readLine());

    }

}