Codechef -> Practice -> Easy -> HolesInTheText

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

Solution :

import java.io.BufferedInputStream;

import java.io.BufferedReader;

import java.io.IOException;

import java.io.InputStreamReader;

import java.io.PrintWriter;

/**

 *

 * @author XCoder

 */

class HolesInTheText {

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

    private static PrintWriter pw = new PrintWriter(System.out);

    public static int readIntLine() throws IOException {

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

    }

    public static long readLongLine() throws IOException {

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

    }

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

        int test = readIntLine();

        while (test-- > 0) {

            String str = br.readLine();

            int holecount = 0;

            for (char c : str.toCharArray()) {

                if (c == 'A' || c == 'D' || c == 'O' || c == 'P' || c == 'Q' || c == 'R') {

                    holecount++;

                } else if (c == 'B') {

                    holecount += 2;

                }

            }

            pw.println(holecount);

        }

        pw.flush();

        pw.close();

    }

}