백준 알고리즘 8958번: OX퀴즈 - JAVA

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

8958번: OX퀴즈

 

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.util.Arrays;
import java.util.HashSet;
import java.util.StringTokenizer;
 
public class Main {
    public static void main(String[] args) throws IOException {
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(System.out));
        StringTokenizer st = null;
        
        int num = Integer.parseInt(br.readLine());
        
        String[] arr = new String[num];
        int [] numArr = new int[num];
        
        for(int i=0; i<arr.length; i++) {
            arr[i] = br.readLine();
        }
        
        int sum = 0;
        int temp = 0;
        
        for(int i=0; i<arr.length; i++) {
            sum = 0;
            temp = 0;
            char[] chArr = new char[arr[i].length()];
            chArr = arr[i].toCharArray();
            for(int j=0; j<chArr.length; j++) {
                if("O".equals(String.valueOf(chArr[j]))) {
                    temp+=1;
                    sum+=temp;
                }else if("X".equals(String.valueOf(chArr[j]))){
                    temp = 0;
                }
            }
            numArr[i] = sum;
        }
        
        for(int i=0; i<numArr.length; i++) {
            bw.write(numArr[i]+"\n");
        }
        
        bw.flush();
        bw.close();
    }
}