MODULO 10power9+7

SequenceFunc.java

@@ -0,0 +1,43 @@
+import java.util.Arrays;
+import java.util.Scanner;
+
+/**
+ * SequenceFunc
+ */
+public class SequenceFunc {
+  private static final int MOD = 1000000007;
+
+  public static void main(String[] args) {
+    Scanner scan = new Scanner(System.in);
+    System.out.println("Please enter the number of elements: ");
+    int n = scan.nextInt();
+    System.out.println("Please enter the elements of the Array");
+    int[] arr = new int[n];
+    for (int i = 0; i < n; i++) {
+      arr[i] = scan.nextInt();
+    }
+    System.out.println("The array has the following elements: ");
+    for (int x : arr) {
+      System.out.print(x + "\t");
+
+    }
+    // to store the last result
+
+    // let's create a temporary array
+
+    long result = 0;
+    int[] temp = new int[n];
+
+    for (int i = 1; i <= n; ++i) {
+      System.arraycopy(arr, 0, temp, 0, i);
+      Arrays.sort(temp, 0, i);
+      long fi = 0;
+      for (int j = 0; j < i; j++) {
+        fi = (fi + (long) (j + 1) * temp[j]) % MOD;
+      }
+      result = (result + fi) % MOD;
+    }
+    System.out.println(result);
+    scan.close();
+  }
+}