[BOJ] 27939 가지 교배 (JAVA)

https://www.acmicpc.net/problem/27939

27939번: 가지 교배

import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.util.StringTokenizer;

public class Main {
	
    public static void main(String[] args) throws Exception {

        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        int N = Integer.parseInt(br.readLine());
        char[] input = new char[N + 1];
        StringTokenizer st = new StringTokenizer(br.readLine(), " ");
        for (int i = 1; i <= N; i++) {
            input[i] = st.nextToken().charAt(0);
        }
        st = new StringTokenizer(br.readLine(), " ");
        int M = Integer.parseInt(st.nextToken());
        int K = Integer.parseInt(st.nextToken());
        for (int i = 0; i < M; i++) {
            int cnt = 0;
            st = new StringTokenizer(br.readLine(), " ");
            for (int j = 0; j < K; j++) {
                if (input[Integer.parseInt(st.nextToken())] == 'W') cnt++;
            }
            if (cnt == K) {
                System.out.print("W");
                return;
            }
        }

        System.out.print("P");

    }
	
}