first commit

J05032 - TRẺ NHẤT – GIÀ NHẤT.java

@@ -0,0 +1,41 @@
+import java.util.*;
+import java.text.*;
+public class Main {
+    
+    static class ob {
+        String name, d, m, y;
+        Date date;
+
+        public ob(String name, String date){
+            this.name = name;
+            String[] a = date.split("/");
+            d = a[0];
+            m = a[1];
+            y = a[2];
+        }
+
+        public String toString() {
+            return name;
+        }
+    }
+
+    public static void main(String[] args) {
+        Scanner sc = new Scanner(System.in);
+        int n = sc.nextInt();
+        ArrayList<ob> a = new ArrayList<>();
+        for(int i=0;i<n;i++){
+            a.add(new ob(sc.next(), sc.next()));
+        }
+        a.sort((ob x, ob y) -> {
+            if(x.y.compareTo(y.y) == 0){
+                if(x.m.compareTo(y.m) == 0){
+                    return x.d.compareTo(y.d);
+                }
+                return x.m.compareTo(y.m);
+            }
+            return x.y.compareTo(y.y);
+        });
+        System.out.println(a.get(n-1));
+        System.out.println(a.get(0));
+    }
+}