diff --git a/sem1/test1/test2.cpp b/sem1/test1/test2.cpp
new file mode 100644
index 0000000..e7f806f
--- /dev/null
+++ b/sem1/test1/test2.cpp
@@ -0,0 +1,53 @@
+#include <iostream>
+#include <time.h>
+using namespace std;
+
+void display(int, int n[]);
+
+int main()
+{
+    cout << "Enter amount of number" << endl;
+    int amount = 0;
+    cin >> amount;
+    int *arr = new int[amount] {};
+    cout << "Enter item values" << endl;
+    for (int i = 0; i < amount; i++)
+    {
+        cin >> arr[i];
+    }
+
+    srand(time(NULL));
+    for (int i = 0; i < amount; i++)
+    {
+        discharge = rand() % 32 + 11;
+
+    }
+
+    cout << "Before - ";
+    display(amount, arr);
+
+    int current = 0;
+    int selIndex = 0;
+    for (int i = 2; i < amount; i += 2)
+    {
+        current = arr[i];
+        for (selIndex = i - 2; selIndex >= 0 && arr[selIndex] > current; selIndex -= 2)
+        {
+            arr[selIndex + 2] = arr[selIndex];
+        }
+        arr[selIndex + 2] = current;
+    }
+
+    cout << "After  - ";
+    display(amount, arr);
+    delete[] arr;
+}
+
+void display(int length, int num[])
+{
+    for (int i = 0; i < length; i++)
+    {
+        cout << num[i] << " ";
+    }
+    cout << endl;
+}