백준 8958번: OX퀴즈

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

public class Baekjoon_OX퀴즈 {
	static int N;

	public static void main(String[] args) throws NumberFormatException, IOException {
		BufferedReader in = new BufferedReader(new InputStreamReader(System.in));

		N = Integer.parseInt(in.readLine());

		for (int i = 0; i < N; i++) {
			String[] str = in.readLine().split("");
			int cnt = 0;
			int res = 0;
			for (int j = 0; j < str.length; j++) {
				if (str[j].equals("O")) {
					cnt++;
				}
				if (str[j].equals("X")) {
					cnt = 0;
				}
				res += cnt;
			}
			System.out.println(res);

		}

	}

}