2020
SimpleCode - Cpp STL ru of 24 parts
    https://www.youtube.com/playlist?list=PLQOaTSbfxUtDWAtIYme5MLZ1l0GTyUYkB
    ...
    https://www.youtube.com/playlist?list=PLQOaTSbfxUtAIipl4136nwb4ISyFk8oI4