diff --git a/insertionSort.cpp b/insertionSort.cpp
new file mode 100644
index 0000000..0459fe3
--- /dev/null
+++ b/insertionSort.cpp
@@ -0,0 +1,34 @@
+#include <iostream>
+using namespace std;
+int insertion(int *a, int n)
+{
+    for (int i = 0; i < n; i++)
+    {
+        int temp = a[i];
+        int j = i - 1; // less than 1
+
+        while (j >= 0 && a[j] > temp)
+        {
+            a[j + 1] = a[j];
+            j--;
+        }
+        a[j + 1] = temp;
+    }
+    return 0;
+}
+
+void print(int *a, int n)
+{
+    for (int i = 0; i < n; i++)
+    {
+        cout << a[i] << ",";
+    }
+}
+int main()
+{
+    int n=9;
+    int a[] = {12, 13, 8, 2, 16, 5, 0, 1, 4};
+
+    insertion(a, n);
+    print(a, n);
+}