Merge https://github.com/marozau/cpp_craft_0314
Merge https://github.com/marozau/cpp_craft_0314
Merge https://github.com/marozau/cpp_craft_0314
Merge https://github.com/marozau/cpp_craft_0314
week 5
week 5
week 5 std::copy
Merge pull request #269 from PetrushenkoIrina/new__5

New  5