[BOJ/Java] 20299 3대 측정

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

public class Main {

	static BufferedReader br;
	static StringBuilder sb;
	static StringTokenizer st;
	static int n, s, m, x1, x2, x3, i, cnt;

	public static void main(String[] args) throws Exception {
		br = new BufferedReader(new InputStreamReader(System.in));
		sb = new StringBuilder();
		st = new StringTokenizer(br.readLine());
		n = Integer.parseInt(st.nextToken());
		s = Integer.parseInt(st.nextToken());
		m = Integer.parseInt(st.nextToken());
		for (i = 0; i < n; i++) {
			st = new StringTokenizer(br.readLine());
			x1 = Integer.parseInt(st.nextToken());
			x2 = Integer.parseInt(st.nextToken());
			x3 = Integer.parseInt(st.nextToken());
			if (x1 + x2 + x3 >= s && x1 >= m && x2 >= m && x3 >= m) {
				cnt++;
				sb.append(x1).append(" ").append(x2).append(" ").append(x3).append(" ");
			}
		}
		br.close();
		System.out.println(cnt);
		System.out.println(sb);
	}
}

setLength 괜히 했어..