C++ Functions and tutorial

In this text we are shown examples for both those who are just starting out in this language for intermediate programmers, in order to deepen the knowledge in a practical and therefore easy and fast learning, in fact, doing practical examples you can understand and learn quickly what you are seeing.
In this text are presented 40 examples of functions and instructions are not very large to facilitate learning and minimizing confusion in the code, especially for those just starting out, because especially for those who are beginners a long code can be slow down the learning curve.