[백준 BOJ/Silver V] 11651번 : 좌표 정렬하기 2

 

https://www.acmicpc.net/problem/11651

11651번: 좌표 정렬하기 2

import java.util.*;

public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int N = sc.nextInt();
        int[][] num = new int[N][2];
        for(int i = 0; i < N; i++) {
            num[i][0] = sc.nextInt();
            num[i][1] = sc.nextInt();
        }

        Arrays.sort(num, new Comparator<int[]>() {
            @Override
            public int compare(int[] o1, int[] o2) {
                if(o1[1] != o2[1]) {
                    return o1[1] - o2[1];
                } else {
                    return o1[0] - o2[0];
                }
            }
        });

        for(int i = 0; i < N; i++) {
            System.out.println(num[i][0] + " " + num[i][1]);
        }
    }
}