C++ Data Structures and Algorithms Part 1. // Write a program to demonstrate class called Room. and one object // Room1, This program has 3 private members L (lenght), W (width), and H (hight), find volume of this room // Assigned values to the member of this class at the main. Display volume to the screen Part 2. //use previous program to demonstrate memebr access specifier (public, and private) Part 3. Use previous program and define your member function outside of the class..