What does CPP mean in marketing? 

cost per point

One major way we measure the success of a media buy is through the cost per point (CPP) – a ratio based on how much it costs to buy one rating point, or one percent of the population in specified market or area.
What is CPP useful for?
C++ is a powerful general-purpose programming language. It can be used to develop operating systems, browsers, games, and so on. C++ supports different ways of programming like procedural, object-oriented, functional, and so on. This makes C++ powerful as well as flexible.
C and C++ (also known as C plus plus or Cpp) are two of the oldest surviving programming languages. C++ is directly derived from C, but flaunts more efficiency and productivity. Of course, both programming languages have advantages and drawbacks.\
Resources and references to get started
  1. W3Schools.com C++ Tutorial. ...
  2. Codecademy Learn C++. ...
  3. freeCodeCamp.org C++ Tutorial for Beginners. ...
  4. Educative.io Learn C++ from Scratch: The Complete Guide for Beginners. ...
  5. C++ Quick Reference. ...
  6. C++ All-In-One for Dummies Cheat Sheet. ...
  7. For Loop in C++ With Example
  8. What does CPP stand for in business?
  9. Capital Purchase Program (CPP) Banking.