백준(8958) JAVA - OX퀴즈

import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		
		int N = sc.nextInt();
		
		String[] ar = new String[N];
		
		for(int i = 0 ; i < N ; i++) {
			int sum = 0;
			int tmp = 0;
			
			ar[i] = sc.next();
			
			for(int j = 0 ; j < ar[i].toCharArray().length ; j++) {
				char[] ox = new char[ar[i].toCharArray().length];
				
				ox[j] = ar[i].toCharArray()[j];
				
				if(ox[j] == 'O') {
					if(j != 0 || (j > 0 && ox[j-1] == 'O')) {
						tmp += 1;
					} else {
						tmp = 1;
					}
				} else {
					tmp = 0;
				}
				sum += tmp;
				
			}
			System.out.println(sum);
		}
	}
}