first commit

2022-12-15 23:51:04 +07:00
commit 87d51fb251
292 changed files with 12623 additions and 0 deletions
@@ -0,0 +1,65 @@
+package nyagami;
+
+import java.util.*;
+import java.io.*;
+public class test{
+    
+    static boolean prime(Integer x){
+        if(x<2) return false;
+        if(x==2) return true;
+        if(x%2==0) return false;
+        Integer can = (int)Math.sqrt(x.doubleValue());
+        for(Integer i=3; i<=can; i+=2){
+            if(x%i==0) return false;
+        }
+        return true;
+    }
+    
+    static class Pair<K,V>{
+        public K a;
+        public V b;
+        public Pair(K key, V value){
+            a=key;b=value;
+        }
+        public boolean isPrime(){
+            return prime((Integer) a) && prime((Integer) b);
+        }
+        public String toString(){
+            return a.toString()+" "+b.toString();
+        }
+    }
+    public static void main(String[] args) throws IOException {
+        Scanner sc = new Scanner(new File("DATA.in"));
+        int t = sc.nextInt();
+        while(t-->0){
+            int n = sc.nextInt();
+            boolean check = false;
+            for(int i = 2; i <= 2*Math.sqrt(n); i++){
+                Pair<Integer, Integer> p = new Pair<>(i, n-i);
+                if(p.isPrime()){
+                    System.out.println(p);
+                    check = true;
+                    break; 
+                }
+            }
+            if(!check) System.out.println(-1);
+        }
+    }
+    public static void main7034472(String[] args) throws IOException {
+        Scanner sc = new Scanner(new File("DATA.in"));
+        int t = sc.nextInt();
+        while(t-->0){
+            int n = sc.nextInt();
+            boolean check = false;
+            for(int i = 2; i <= 2*Math.sqrt(n); i++){
+                Pair<Integer, Integer> p = new Pair<>(i, n-i);
+                if(p.isPrime()){
+                    System.out.println(p);
+                    check = true;
+                    break; 
+                }
+            }
+            if(!check) System.out.println(-1);
+        }
+    }
+}