issue #41 10814 나이순정렬

Author: sowon-dev

src/backjoon/_10814.java

@@ -0,0 +1,47 @@
+package backjoon;
+// https://www.acmicpc.net/problem/10814
+// 나이순정렬
+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 _10814 {
+  public static void main(String[] args) throws IOException {
+    BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
+    // memory 62992 runtime 2084
+    int N = Integer.parseInt(br.readLine());
+    String[][] arr = new String[N][2];
+
+    for(int i=0; i<N; i++) {
+      StringTokenizer st = new StringTokenizer(br.readLine(), " ");
+      arr[i][0] = st.nextToken();
+      arr[i][1] = st.nextToken();
+    }
+    
+    Arrays.sort(arr, new Comparator<String[]>() {
+      @Override
+      public int compare(String[] o1, String[] o2) {
+        return Integer.parseInt(o1[0]) - Integer.parseInt(o2[0]); //나이만 비교
+      }
+    });
+
+    for(int i=0; i<N; i++){
+      System.out.println(arr[i][0] + " " + arr[i][1]);
+    }
+  }
+}
+/*
+INPUT
+3
+21 Junkyu
+21 Dohyun
+20 Sunyoung
+
+OUTPUT
+20 Sunyoung
+21 Junkyu
+21 Dohyun
+ */