first commit

2022-12-15 23:51:04 +07:00
commit 87d51fb251
292 changed files with 12623 additions and 0 deletions
@@ -0,0 +1,26 @@
+import java.util.*;
+import java.io.*;
+
+public class Main{
+    public static void main(String[] args) throws IOException, ClassNotFoundException{
+        boolean[] f = new boolean[1000005];
+        for(int i=2; i<f.length; i++) f[i]=true;
+        for(int i=2; i<=(int)Math.sqrt(f.length); i++){
+            if(f[i]){
+                for(int u=i; u<=1000003/i; u++) f[i*u]=false;
+            }
+        }
+        final int n = 1000000;
+        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();
+        TreeSet<Integer> t = new TreeSet<>(a1);
+        t.forEach(e1 -> {
+            int e2 = n - e1;
+            if(e2 > e1 && f[e1] && f[e2] && a1.contains(e2) && !a2.contains(e1) && !a2.contains(e2)){
+                System.out.println(e1 + " " + e2);
+            }
+        });
+    }
+}