diff --git a/Fraudulent_Activity_Notifications.c b/Fraudulent_Activity_Notifications.c
new file mode 100644
index 000000000..22f49349a
--- /dev/null
+++ b/Fraudulent_Activity_Notifications.c
@@ -0,0 +1,82 @@
+#include <stdio.h>
+#include <string.h>
+#include <math.h>
+int main()
+{
+    long long int n, d, i, l, j, k, e;
+    long long int median;
+    long int notifict = 0;
+    scanf("%lld", &n);
+    scanf("%lld", &d);
+    long long int a[n];
+    long long int b[d]; //9 5;2 3 4 2 3 6 8 4 5
+
+    for (i = 0; i < n; i++)
+    {
+        scanf("%lld", &a[i]);
+    }
+    for (i = 0; i < n - d; i++)
+    {
+        k = d;
+        for (l = 0, j = i; l < d, j < d + i; l++, j++)
+        {
+            b[l] = a[j];
+        }
+       for (l = 0; l < d; l++)
+        {
+            printf("the seq. chosen is %lld\n", b[l]);
+        }
+        for (j = 0; j < k; j++)
+        {
+            k = k - 1;
+            for (l = 0; l < k; l++)
+            {
+                if (b[l] > b[l + 1])
+                {
+                    e = b[l + 1];
+                    b[l + 1] = b[l];
+                    b[l] = e;
+                }
+                else
+                {
+                    continue;
+                }
+            }
+        }
+       for (l = 0; l < d; l++)
+        {
+            printf("seq.arrang :%lld\n", b[l]);
+        }
+        if (d % 2 == 0)
+        {
+
+            median = b[d / 2] + b[(d / 2) + 1];
+            printf("median is %lld\n",median);
+            printf("a[d+i] is %lld\n",a[d+i]);
+            if (a[d + i]>=2* median)
+            {
+                notifict = notifict + 1;
+            }
+            else
+            {
+                notifict = notifict;
+            }
+        }
+        else
+        {
+ 
+            median = b[d / 2];
+            printf("%lld\n",median);
+            printf("%lld\n",a[d+i]);
+            if (a[d + i] >= 2*median)
+            {
+                notifict = notifict + 1;
+            }
+            else
+            {
+                notifict = notifict;
+            }
+        }
+    }
+    printf("%lld\n", notifict);
+}
\ No newline at end of file