Updated progress.

Author: anthonyclyan

readme.md

@@ -9,8 +9,8 @@ This repository showcase my progress with the course from Udemy.
 - [x] Section 2: Installation and Setup
 - [x] Section 3: Curriculum Overview
 - [x] Section 4: Getting Started
-- [ ] Section 5: Structure of a C++ Program
-- [ ] Section 6: Variables and Constants
+- [x] Section 5: Structure of a C++ Program
+- [x] Section 6: Variables and Constants
 - [ ] Section 7: Arrays and Vectors
 - [ ] Section 8: Statements and Operators
 - [ ] Section 9: Controlling Program Flow