diff --git a/Lecture/Week10/main.cpp b/Lecture/Week10/main.cpp
new file mode 100644
index 0000000..35c490e
--- /dev/null
+++ b/Lecture/Week10/main.cpp
@@ -0,0 +1,49 @@
+#include <iostream>
+using namespace std;
+
+class Row{
+    public:
+        int size = 0;
+        double * data;
+
+        Row(int size){
+            cout << "constructor" << endl;
+            this->size = size;
+            data = new double[size];
+            // call clear
+        }
+
+        // copy constructor
+        Row(const Row& from){
+            this->size = from.size;
+            data = new double[size];
+            for(int i = 0; i < size; i++){
+                this->data[i] = from.data[i];
+            }
+        }
+
+        // assignment operator (non-move)
+        Row operator=(const Row& rhs){
+            if(this != &rhs){
+                delete[] data;
+                this->size = rhs.size;
+                data = new double[size];
+                for(int i = 0; i < size; i++){
+                    this->data[i] = rhs.data[i];
+                }
+            }
+            return *this;
+        }
+
+        ~Row(){
+            delete[] data;
+        }
+        
+};
+
+int main(){
+
+    Row R1(2);
+    Row R2(R1);
+    return 0;
+}
\ No newline at end of file