Does this app cover stuff like string size, string compare etc?

Answer 1

The C++ course covers only the basics, but if you need learning resources, there are plenty here provided, you can use the Search bar to find more, just takes a little creativity with the search keyword, here's some of them:

Programming Resources Collection
https://www.sololearn.com/discuss/636195/?ref=app

C Resources
https://www.sololearn.com/discuss/635969/?ref=app

C++ Resources
https://www.sololearn.com/discuss/459759/?ref=app

Answer 2

thank you