first commit

2022-12-15 23:51:04 +07:00
commit 87d51fb251
292 changed files with 12623 additions and 0 deletions
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+import java.io.*;
+import java.util.*;
+
+public class Main {
+
+    static boolean prime(int x){
+        if(x<2) return false;
+        if(x==2) return true;
+        if(x%2==0) return false;
+        for(int i=3;i <= (int)(Math.sqrt(x));i+=2){
+            if(x%i==0) return false;
+        }
+        return true;
+    }
+
+    public static void main(String[] args) throws IOException, ClassNotFoundException {
+        ObjectInputStream o1 = new ObjectInputStream(new FileInputStream("DATA1.in"));
+        ObjectInputStream o2 = new ObjectInputStream(new FileInputStream("DATA2.in"));
+        ArrayList<Integer> a1 = (ArrayList<Integer>) o1.readObject();
+        ArrayList<Integer> a2 = (ArrayList<Integer>) o2.readObject();
+        TreeMap<Integer,Integer> h1 = new TreeMap<>();
+        TreeMap<Integer,Integer> h2 = new TreeMap<>();
+        a1.forEach(e -> {
+            if(prime(e)){
+                if(h1.get(e) == null) h1.put(e, 1);
+                else h1.put(e, h1.get(e)+1);
+            }
+        });
+        a2.forEach(e -> {
+            if(prime(e)){
+                if(h2.get(e) == null) h2.put(e, 1);
+                else h2.put(e, h2.get(e)+1);
+            }
+        });
+        h1.forEach((k, v) -> {
+            if(h2.get(k) != null){
+                System.out.printf("%d %d %d\n", k, v, h2.get(k));
+            }
+        });
+    }
+}
+