STL

Templated containers, iterators, algorithms

C++ templates

C++ casts

Repetition and Exceptions

Subtype polymorphism, abstract classes, interfaces

Inheritance

Ad-hoc polymorphism, operator overloading and Orthodox Canonical class form

Memory allocation, pointers to members, references, switch statement.

Namespaces, classes, member functions, stdio streams, initialization lists, static, const, and some other basic stuf