Sollicitatievraag bij Blockchain

sizeof unique_ptr on 64 architecture? complexity to insert an element in an std::array? complexity to insert an element in an std::map? What is the cache line size on x64? What is the page size? What is the default Stack Size on Linux? What is the complexity to add/change a price/qty in a L2 book? Note: in the interviewer's mind, this is price->qty book (not a top-5 or top-10 book) What is the complexity of a sweep? What std::vector or std::map operator[] const? What does operator[] returns what is stack size on linux