|
| 1 | +package backjoon; |
| 2 | +// https://www.acmicpc.net/problem/11651 |
| 3 | +// 좌표 정렬하기 2 |
| 4 | +import java.io.BufferedReader; |
| 5 | +import java.io.IOException; |
| 6 | +import java.io.InputStreamReader; |
| 7 | +import java.util.Arrays; |
| 8 | +import java.util.Comparator; |
| 9 | +import java.util.StringTokenizer; |
| 10 | + |
| 11 | +public class _11651 { |
| 12 | + |
| 13 | + public static void main(String[] args) throws IOException { |
| 14 | + BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); |
| 15 | + int N = Integer.parseInt(br.readLine()); |
| 16 | + //memory 73392 runtime 764 |
| 17 | + int[][] arr = new int[N][2]; |
| 18 | + |
| 19 | + StringTokenizer st; |
| 20 | + for(int i = 0; i < N; i++) { |
| 21 | + // 위치 주의 |
| 22 | + st = new StringTokenizer(br.readLine()); |
| 23 | + arr[i][1] = Integer.parseInt(st.nextToken()); |
| 24 | + arr[i][0] = Integer.parseInt(st.nextToken()); |
| 25 | + } |
| 26 | + |
| 27 | + Arrays.sort(arr, (e1, e2) -> { |
| 28 | + if(e1[0] == e2[0]) { |
| 29 | + return e1[1] - e2[1]; |
| 30 | + } else { |
| 31 | + return e1[0] - e2[0]; |
| 32 | + } |
| 33 | + }); |
| 34 | + |
| 35 | + StringBuilder sb = new StringBuilder(); |
| 36 | + for(int i = 0 ; i< N ; i++) { |
| 37 | + // 위치 주의 |
| 38 | + sb.append(arr[i][1] + " " + arr[i][0]).append('\n'); |
| 39 | + } |
| 40 | + System.out.println(sb); |
| 41 | + } |
| 42 | + |
| 43 | +} |
0 commit comments