Learning C++ is a daunting thing, I put of doing it for years and finally took the plunge last year. Here’s what worked for me.
Iterators
Iterators a pointer-like types that we can use to traverse containers without caring about the underlying structure.
std::array
std::array is an STL container that wraps around a fixed size array. It stores items contiguously in memory. In modern C++, it should be used in place of a raw array.