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C++ — вопросы для собеседования

295+ вопросов для подготовки к собеседованию по C++

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What is C++ and what is it used for?

What are the main differences between C and C++?

What is the difference between struct and class in C++?

What are pointers and references in C++?

What is the difference between new and malloc?

What is the difference between stack and heap memory?

What is RAII in C++?

What are smart pointers in C++?

What is the difference between pass by value, pass by reference, and pass by pointer?

What is the difference between struct and class in C++?

What is the difference between pointer and reference?

What is the difference between new and malloc?

What is the difference between stack and heap?

What is RAII?

What are smart pointers?

What is the difference between const and constexpr?

What is the difference between const int, int const, and const int* const?

What is the difference between override and final in C++?

What is the difference between public, protected, and private inheritance?

What is the difference between struct and class?

What is the difference between pointer and reference?

What is the difference between new and malloc?

What is the difference between stack and heap?

What is RAII?

What are smart pointers?

What is the difference between const and constexpr?

What is the difference between const int, int const, and const int* const?

What is the difference between override and final?

What is the difference between public, protected, and private inheritance?

What is the difference between struct and class?

What is the difference between pointer and reference?

What is the difference between new and malloc?

What is the difference between stack and heap?

What is RAII?

What are smart pointers?

What is the difference between const and constexpr?

What is the difference between const int, int const, and const int* const?

What is the difference between override and final?

What is the difference between public, protected, and private inheritance?

What is the difference between struct and class?

What is the difference between pointer and reference?

What is the difference between new and malloc?

What is the difference between stack and heap?

What is RAII?

What are smart pointers?

What is the difference between const and constexpr?

What is the difference between const int, int const, and const int* const?

What is the difference between override and final?

What is the difference between public, protected, and private inheritance?

What is the difference between struct and class?

What is the difference between pointer and reference?

What is the difference between new and malloc?

What is the difference between stack and heap?

What is RAII?

What are smart pointers?

What is the difference between const and constexpr?

What is the difference between const int, int const, and const int* const?

What is the difference between override and final?

What is the difference between public, protected, and private inheritance?

What is the difference between struct and class?

What is the difference between pointer and reference?

What is the difference between new and malloc?

What is the difference between stack and heap?

What is RAII?

What are smart pointers?

What is the difference between const and constexpr?

What is the difference between const int, int const, and const int* const?

What is the difference between override and final?

What is the difference between public, protected, and private inheritance?

What is the difference between struct and class?

What is the STL?

What is the difference between vector and list in C++?

What is the difference between map and unordered_map?

What is the difference between class and struct in C++?

What is the difference between pointer and reference?

What is the difference between new and malloc?

What is the difference between stack and heap?

What is RAII?

What are smart pointers?

What is the Rule of Three/Five/Zero?

What is the Rule of Three in C++?

What is the Rule of Five in C++?

What is the Rule of Zero in C++?

What are move semantics in C++?

What is the difference between lvalue and rvalue?

What is perfect forwarding in C++?

What is SFINAE in C++?

What is CRTP (Curiously Recurring Template Pattern)?

What is template metaprogramming in C++?

What is the difference between std::move and std::forward?

What is the difference between std::unique_ptr and std::shared_ptr?

What is the difference between std::make_unique and std::make_shared?

What is the difference between std::weak_ptr and std::shared_ptr?

What is the difference between std::vector and std::array?

What is the difference between std::map and std::unordered_map?

What is the difference between std::list and std::vector?

What is the difference between std::deque and std::vector?

What is the difference between std::set and std::unordered_set?

What is the difference between std::map and std::set?

What is the difference between std::queue and std::priority_queue?

What is the difference between std::stack and std::queue?

What is the difference between std::forward_list and std::list?

What is the difference between std::array and C-style array?

What is the difference between std::vector and std::deque?

What is the difference between std::list and std::forward_list?

What is the difference between std::map and std::unordered_map?

What is the difference between std::set and std::unordered_set?

What is the difference between std::multiset and std::set?

What is the difference between std::map and std::unordered_map?

What is the difference between std::vector and std::list?

What is the difference between std::array and std::vector?

What is the difference between std::deque and std::queue?

What is the difference between std::stack and std::queue?

What is the difference between std::priority_queue and std::queue?

What is the difference between std::set and std::multiset?

What is the difference between std::map and std::multimap?

What is the difference between std::unique and std::remove?

What is the difference between std::sort and std::stable_sort?

What is the difference between std::find and std::find_if?

What is the difference between std::for_each and range-based for?

What is the difference between std::transform and std::for_each?

What is the difference between std::accumulate and std::reduce?

What is the difference between std::copy and std::move?

What is the difference between std::fill and std::fill_n?

What is the difference between std::count and std::count_if?

What is the difference between std::sort and std::stable_sort?

What is the difference between std::binary_search and std::lower_bound?

What is the difference between std::lower_bound and std::upper_bound?

What is the difference between std::equal_range and std::lower_bound?

What is the difference between std::find and std::find_if?

What is std::move and when should you use it?

What is the difference between lvalue and rvalue references?

What is perfect forwarding in C++?

What are template parameters and how do they work?

What is template specialization?

What is SFINAE in C++?

What are C++20 concepts?

What is std::unique_ptr and how does it work?

What is std::shared_ptr and reference counting?

What is std::weak_ptr and when is it used?

What is RAII and how do smart pointers implement it?

What is move constructor and move assignment?

What is emplace_back vs push_back?

What is std::optional in C++17?

What is std::variant in C++17?

What is std::any in C++17?

What is structured binding in C++17?

What is the Rule of Zero?

What is std::string_view in C++17?

What is std::filesystem in C++17?

What is std::thread and how do you use it?

What is std::mutex and how do you prevent deadlocks?

What is std::atomic and when should you use it?

What is std::condition_variable?

What is the difference between std::async and std::thread?

What is std::future and std::promise?

What is std::function and how do you use it?

What is CRTP (Curiously Recurring Template Pattern)?

What is type erasure in C++?

What is std::pmr (polymorphic memory resource)?

What is std::ranges (C++20)?

What is std::coroutine (C++20)?

What is std::span (C++20)?

What is constexpr evaluation (C++20)?

What is std::expected (C++23)?

What is std::format (C++20)?

What are the memory_order flags in std::atomic?

What is the virtual table (vtable) and how does virtual dispatch work?

What is object slicing in C++?

What is the diamond problem and virtual inheritance?

What is std::tuple and how do you use it?

What is std::array and how does it differ from C arrays?

What is std::deque and when should you use it?

What is std::set and std::multiset?

What is std::map and std::unordered_map?

What is std::priority_queue?

What is emplace vs insert in STL containers?

What is iterator invalidation?

What is std::algorithm and its most useful functions?

What is the difference between std::list and std::forward_list?

What is std::bitset and when to use it?

What is the difference between std::sort, std::stable_sort, and std::partial_sort?

What is move-only type and how to implement it?

What is std::apply and std::invoke?

What is std::chrono and how do you use it?

What is the Singleton pattern in C++?

What is the Observer pattern?

What is the Strategy pattern?

What is the Factory pattern?

What is the Decorator pattern?

What is std::bit_cast (C++20)?

What is std::popcount and bit manipulation in C++20?

What is the Builder pattern?

What is std::format_to and format iterators?

What is std::jthread and cooperative cancellation?

What is std::source_location (C++20)?

What is std::views::iota (C++20)?

What is std::optional monadic operations (C++23)?

What is std::expected monadic operations?

What is std::flat_map and std::flat_set (C++23)?

What is std::generator (C++23)?

What is std::print (C++23)?

What is std::unreachable (C++23)?

What are the differences between std::string, std::string_view, and std::pmr::string?

What is std::simd (parallelism TS v2)?

What is std::execution (C++17 parallel algorithms)?

What is std::span and how to use it for safe array access?

What is the difference between std::apply and std::invoke?

What is std::ranges::zip_view (C++23)?

What is std::latch and std::barrier (C++20)?

What is std::stop_token and std::stop_source (C++20)?

What are std::atomic_ref and std::atomic<std::shared_ptr> (C++20)?

What is std::counting_semaphore (C++20)?

What is std::atomic_wait and std::atomic_notify (C++20)?

What is std::format_range (C++23)?

What is std::stacktrace (C++23)?

What is std::to_array (C++20)?

What is std::ranges::contains (C++23)?

What is std::ranges::to (C++23)?

What is std::move_only_function (C++23)?

What is std::spanstream (C++23)?

What is std::flat_set and its performance characteristics?

What is std::out_ptr (C++23)?

What is std::mdspan (C++23)?

What is std::stacktrace_entry (C++23)?

What is std::ranges::generate (C++26)?

What is std::ranges::to from C++23?

What is std::expected and error handling patterns?

What is std::views::chunk_by (C++23)?

What is std::ranges::to_tuple (C++26)?

What is std::flat_map and how does it differ from std::map?

What is std::hive (P0447)?

What are the differences between std::string, std::wstring, and std::u8string?

What is std::format with user-defined types?

What is std::print binary output (C++23)?

What is std::span and its relationship with iterators?

What is std::ranges::cartesian_product (C++23)?

What is std::views::zip_transform (C++23)?

What is std::ranges::range adaptor composition?

What is std::ranges::set_union and set operations (C++23)?

What is std::ranges::iota (C++23)?

What is std::simd_width and SIMD concepts (parallelism TS)?

What are the C++23 features for safety and security?

What is the difference between std::variant and std::visit?

What is std::ranges::join_view and std::ranges::split_view?

What is std::ranges::elements_of and std::ranges::zip_view?

What is std::ranges::cache_latest (C++26)?

What is std::views::enumerate (C++23)?

What is std::ranges::repeat_view (C++23)?

What are the key differences between C++17, C++20, and C++23?

What is RAII and why is it important in C++?

What is the Rule of Three/Five/Zero?

What are move semantics and rvalue references?

What is the difference between std::unique_ptr and std::shared_ptr?

What are lambda expressions in C++?

What is the difference between std::vector and std::array?

What is perfect forwarding?

What is template metaprogramming?

What is the difference between stack and heap allocation?

What are smart pointers and when to use each?

What is std::variant and std::optional?

What is the difference between const and constexpr?

What are C++ concepts (C++20)?

What is std::string_view?

What is move semantics and when to use std::move?

What is the difference between emplace and insert?

What is std::function and when to use it?

What are C++ modules?

What is structured binding (C++17)?

What is std::optional and when to use it?

What is the difference between std::map and std::unordered_map?

What is SFINAE and how does it work?

What is std::chrono?

What is std::atomic?

What is the difference between std::thread and std::jthread?

What are C++ ranges (C++20)?

What is std::any?

What is std::span?

What is std::format?

What is std::coroutine?

What is std::expected (C++23)?

What is memory alignment and why does it matter?

What is the difference between new/delete and malloc/free?

What are virtual functions and vtables?

What is CRTP (Curiously Recurring Template Pattern)?

What is std::pmr (polymorphic memory resources)?

What is thread_local storage?

What is std::execution (C++26)?

What is the difference between C++ arrays and std::array?

What is std::regex?

What is std::filesystem?

What is std::bit_cast (C++20)?

What is std::ranges::views?

What is std::visit?

What are the most important C++ best practices?

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