백준 4단계 no. 6

import java.util.*;

public class Main{
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);

        int n = sc.nextInt();
        String[] arr1 = new String[n];
        int[] sumArr = new int[n];

        for (int j = 0; j < arr1.length; j++) {
            arr1[j] = sc.next();

            char[] arr2 = new char[arr1[j].length()];

            for (int k = 0; k < arr2.length; k++) {
                arr2[k] = arr1[j].charAt(k);
            }

            int sum = 0;
            int point = 1;

            for (int i = 0; i < arr2.length; i++) {
                if (arr2[i] == 'O') {
                    sum += point;
                    point++;
                } else {
                    point = 1;
                }
            }

            sumArr[j] = sum;
        }

        for (int l = 0; l < sumArr.length; l++) {
            System.out.println(sumArr[l]);
        }
    }
}