[JAVA] 백준 11650번 - 좌표 정렬하기

 

 

 

<코드>

import java.util.*;
public class Main {
	public static void main(String[] args) {
		
		Scanner sc = new Scanner(System.in);
		
		int N = sc.nextInt();
		int arr[][]  = new int[N][2];

		for (int i = 0; i < N; i++) {
			arr[i][0] = sc.nextInt();
			arr[i][1] = sc.nextInt();
		}
		
		Arrays.sort(arr,(a,b)->{
			if(a[0] == b[0]) {
				return a[1] - b[1];
			}else {
				return a[0] - b[0];
			}
		});
		
		for (int i = 0; i < N; i++) {
			System.out.println(arr[i][0] + " " + arr[i][1]);
		}
	}
}

 

 

https://www.acmicpc.net/problem/11650

11650번: 좌표 정렬하기