백준 8958번: OX퀴즈

문제 출처: https://www.acmicpc.net/problem/8958

import java.io.BufferedReader;
import java.io.InputStreamReader;
 
public class Main {
    
    public static void main(String[] args) throws Exception {
        BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
        int N = Integer.parseInt(reader.readLine());
        String[] arr = new String[N];
        
        for(int i=0 ; i<N ; i++){
            arr[i] = reader.readLine();
            
            int count = 0, result = 0;
            for(int j=0 ; j<arr[i].length() ; j++){
                if(arr[i].charAt(j) == 'O')
                    result += ++count;
                else 
                    count = 0;
            }
            arr[i] = String.valueOf(result);
        }
        
        for(int i=0 ; i<N ; i++)
            System.out.println(arr[i]);
    }
}