Sharing your code publicly allows more experienced developers to review your work and suggest optimizations. đź›’ Where to Find Legal Copies
The 4th edition of the book was published in 2018 and offers updated content reflecting modern C++ (C++11 and C++14) and programming practices.
Walk into your local university library. If they don't have the 4th edition, request an . A librarian will scan and email you specific chapters (legally under fair use) for your coursework.