first commit

2022-12-15 23:51:04 +07:00
commit 87d51fb251
292 changed files with 12623 additions and 0 deletions
@@ -0,0 +1,55 @@
+import java.util.*;
+import java.io.*;
+public class non {
+    static class IntSet {
+        TreeSet<Integer> a;
+
+        public IntSet(int[] arr) {
+            a = new TreeSet<>();
+            for (int i : arr)
+                a.add(i);
+        }
+
+        public IntSet(){
+            a = new TreeSet<>();
+        }
+
+        public IntSet intersection(IntSet b) {
+            IntSet o = new IntSet();
+            a.forEach(e -> {
+                if(b.a.contains(e)) o.a.add(e);
+            });
+            return o;
+        }
+        @Override
+        public String toString() {
+            String s = "";
+            Object[] r = a.toArray();
+            for (int i = 0; i < r.length; i++)
+                s += r[i] + " ";
+            return s;
+        }
+    }
+    public static void main(String[] args) throws IOException {
+        Scanner sc = new Scanner(new File("DATA.in"));
+        int n = sc.nextInt(), m = sc.nextInt(), a[] = new int[n], b[] = new int[m];
+        for(int i = 0; i<n; i++) a[i] = sc.nextInt();
+        for(int i = 0; i<m; i++) b[i] = sc.nextInt();
+        IntSet s1 = new IntSet(a);
+        IntSet s2 = new IntSet(b);
+        IntSet s3 = s1.intersection(s2);
+        System.out.println(s3);
+    }
+    public static void main4039462(String[] args) throws IOException {
+        Scanner sc = new Scanner(new File("DATA.in"));
+        int n = sc.nextInt(), m = sc.nextInt(), a[] = new int[n], b[] = new int[m];
+        for(int i = 0; i<n; i++) a[i] = sc.nextInt();
+        for(int i = 0; i<m; i++) b[i] = sc.nextInt();
+        IntSet s1 = new IntSet(a);
+        IntSet s2 = new IntSet(b);
+        IntSet s3 = s1.intersection(s2);
+        System.out.println(s3);
+    }
+}
+
+