Add C++ codes for the chapter

array and linked list.

codes/cpp/include/PrintUtil.hpp

@@ -67,6 +67,22 @@ class PrintUtil {
             return os.str();
         }
 
+        /**
+         * @brief Print an Array
+         * 
+         * @tparam T 
+         * @tparam n 
+         */
+        template<typename T>
+        static void printArray(T* arr, int n)
+        {
+            cout << "[";
+            for (size_t i = 0; i < n - 1; i++) {
+                cout << arr[i] << ", ";
+            }
+            cout << arr[n - 1] << "]" << '\n';
+        }
+
         /**
          * @brief Get the Vector String object
          *