[BOJ] 5635 생일 (JAVA)

https://www.acmicpc.net/problem/5635

5635번: 생일

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

public class Main {
	
    static BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
    static StringTokenizer st;

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

        int n = Integer.parseInt(br.readLine());
        String[][] input = new String[n][2];
        for (int i = 0; i < n; i++) {
            st = new StringTokenizer(br.readLine(), " ");
            input[i][0] = st.nextToken();
            String d = st.nextToken();
            String m = st.nextToken();
            String y = st.nextToken();
            input[i][1] = y + (m.length() == 1 ? '0' + m : m) + (d.length() == 1 ? '0' + d : d);
        }

        Arrays.sort(input, (o1, o2) -> o1[1].compareTo(o2[1]));

        System.out.print(input[n - 1][0] + "\n" + input[0][0]);

    }
	
}