issue #40 11651 자바

sowon-dev · sowon-dev · commit 45955718ef24 · 2021-06-11T23:25:01.000+09:00
diff --git a/src/backjoon/_11651.java b/src/backjoon/_11651.java
@@ -0,0 +1,43 @@
+package backjoon;
+// https://www.acmicpc.net/problem/11651
+// 좌표 정렬하기 2
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.util.Arrays;
+import java.util.Comparator;
+import java.util.StringTokenizer;
+
+public class _11651 {
+
+	public static void main(String[] args) throws IOException {
+		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
+		int N = Integer.parseInt(br.readLine());
+		//memory 73392 runtime 764
+	    int[][] arr = new int[N][2];
+
+	    StringTokenizer st;
+	    for(int i = 0; i < N; i++) {
+			// 위치 주의
+			st = new StringTokenizer(br.readLine());
+			arr[i][1] = Integer.parseInt(st.nextToken());
+			arr[i][0] = Integer.parseInt(st.nextToken());
+		}
+		
+		Arrays.sort(arr, (e1, e2) -> {
+			if(e1[0] == e2[0]) {
+				return e1[1] - e2[1];
+			} else {
+				return e1[0] - e2[0];
+			}
+		});
+		
+		StringBuilder sb = new StringBuilder();
+		for(int i = 0 ; i< N ; i++) {
+			// 위치 주의
+			sb.append(arr[i][1] + " " + arr[i][0]).append('\n');
+		}
+		System.out.println(sb);
+	}
+
+}
