[백준] 7782 Alien - Brute Force / Java

• 문제 링크

https://www.acmicpc.net/problem/7782

 

• 풀이 코드

import java.io.BufferedWriter;
import java.io.IOException;
import java.io.OutputStreamWriter;

public class Main {

    public static void main(String[] args) throws IOException {
        BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(System.out));

        boolean b = false;
        int n = read(), b1 = read(), b2 = read();
        while (!b && n-- > 0) b = read() <= b1 && read() <= b2 && b1 <= read() && b2 <= read();

        bw.write(b ? "Yes" : "No");
        bw.flush();
    }

    private static int read() throws IOException {
        int c, n = System.in.read() & 15;
        boolean flag = n == 13;

        if (flag) n = System.in.read() & 15;
        while ((c = System.in.read()) > 32) n = (n << 3) + (n << 1) + (c & 15);

        return flag ? ~n + 1 : n;
    }

}