<pre> //====================== start of sample.cpp ========================== union Lesson { long math_lection_number; short home_work_number; } my_lesson; class Lection { public: union { char* proffesor; short graduate_number; } main_person; union { short home_work_task; char *home_book_name; }; }; int main() { Lesson* pmy_lesson = &amp;my_lesson; Lection my_lection; long lection = my_lesson.math_lection_number; short* phome_work = &amp;(pmy_lesson->home_work_number); char* proffesor = my_lection.proffesor; short gr_number = my_lection.main_person.graduate_number; short my_task = Lection::home_work_task; const char * my_book = my_lection.home_book_name; return 0; } //====================== end of sample.cpp ========================== </pre> Присвоение данных класса каким переменным выполнено корректно (т.е. данные объявлены корректно и доступ к ним так же корректен) файле sample.cpp?

<pre>//====================== start of sample.cpp ========================== #include &lt;stdio.h&gt; class Region; class Person { public: short m_age; const char* m_name; const char* m_surname; const char* m_region_name; Person(const char* name) : m_name(name) {} operator short () {return m_age;} operator const char* () {return &quot;&quot;;} }; class Region { public: const char* region_name; const char* cheef_name; long size; Region(const char* region_nm = &quot;&quot;) : region_name(region_nm) {} operator long () {return size;} operator const char* () {return region_name;} }; int main() { Person p1(&quot;Vasily Ivanov&quot;); Region r; printf(&quot;Region number %u, driver %s&quot;, static_cast&lt;unsigned short&gt;(r), static_cast&lt;const char*&gt;(p1)); return 0; }//====================== end of sample.cpp ========================== </pre> Какие из имеющихся в файле sample.cpp конструкторов и операторов преобразования задействованы в операциях в функции main()?

<pre>//====================== start of sample.cpp ========================== struct Book { short year; char* author; char* name; }; class Person { short m_age; const char* m_name; const char* m_subname; public: Person(short age, const char* name, const char* subname) : m_age(age), m_name(name), m_subname(subname){} }; class Library { public: long m_books_count; char* m_name; char* m_city; Library(long books_count): m_books_count(books_count){} }; int main() { Book book1 = {&quot;Owrell&quot;, 1984, &quot;1984&quot;}; Book book2 = {1984}; Person main_author = {65, &quot;Bjarne&quot;, &quot;Stroustrup&quot;}; Person my_author(65, &quot;Bjarne&quot;, &quot;Stroustrup&quot;); Library my_lib = 25; return 0; }//====================== end of sample.cpp ========================== </pre> Инициализация каких объектов в файле sample.cpp выполнена корректно?

<pre>//====================== start of sample.cpp ========================== class Person { public: short m_age; const char* m_name; const char* m_surname; }; class Library { public: long m_books_count; std::string m_name; static std::string m_city; }; class Program { public: std::string prog_name; long version; void* prog_data; }; class Region { public: short country_code; short city_code; std::shared_ptr&lt;Library&lt; main_library; };//====================== end of sample.cpp ========================== </pre> Для какого из классов в фрагменте файла sample.cpp необходима реализация своего оператора копирования?

<pre> //====================== start of sample.cpp ========================== class Region { short country_code; short city_code; char* city_name; public: Region(); short get_country_code() { return country_code; } inline short get_city_code() const; const char* get_city_name() const; }; Region::Region() : country_code(0) , city_code(0) , city_name(0) {} inline short Region::get_city_code() const { return city_code; } const char* Region::get_city_name() const { return city_name; } //====================== end of sample.cpp ========================== </pre> Какие из методов являются встроенными и объявлены корректно?

<pre>//====================== start of sample.cpp ========================== class Person { short m_age; char* m_name; char* m_subname; public: Person(short age, char* name, char* subname) : m_age(age), m_name(name), m_subname(subname){} }; class Library { public: long m_books_count; const char* m_name; const char* m_city; }; int main() { Library my_lib = {1240, &quot;Main&quot;, &quot;DefaultCity&quot;}; Library *p_lib = new Library; Library empty_lib; Person any_person(25, &quot;Djon&quot;,&quot;S&quot;); Person *pother_person = new Person; return 0; }//====================== end of sample.cpp ========================== </pre> Инициализация каких объектов в файле sample.cpp выполняется корректно конструктором по умолчанию?

<pre>//====================== start of sample.cpp ========================== #include &lt;vector&gt; class Person { short m_age; const char* m_name; const char* m_surname; public: Person(short age, const char* name, const char* subname) : m_age(age), m_name(name), m_surname(subname){} Person() : m_name(&quot;unknown&quot;){} }; class Reader: public Person { long m_ticket_number; public: Reader(long tick_numb = 0) : Person() , m_ticket_number(tick_numb) {} Reader(short age, const char* name, const char* surname, long tick_numb) : Person(age, name, surname) , m_ticket_number(tick_numb){} }; int main() { Reader reader1; Reader reader2 = 35; Reader reaedr3(22, &quot;Vasily&quot;, &quot;Ivanov&quot;, 123456); return 0; }//====================== end of sample.cpp ========================== </pre> Значения каких атрибутов каких объектов корректно инициализируются не нулевыми значениями?

<pre> //====================== start of sample.cpp ========================== class User { public: struct Region { short country_code; short city_code; static char* city_name; }; const char* name; int age; double balance; Region region; const char* get_name() const { return (*this).name; } int get_age() const { return this-&gt;age; } double get_balance() const { return (*this)-&gt;balance; } short get_country_code() const { return Region::country_code; } short get_city_code() const { return region.city_code; } const char* get_city_name() const { return Region::city_name; } }; //====================== end of sample.cpp ========================== </pre> В каких методах обращения к членам объекта класса user типа User корректны?

<pre>//====================== start of sample.cpp ========================== class Region; class Person { public: short m_age; const char* m_name; const char* m_surname; const char* m_region_name; Person(const char* name) : m_name(name) {} operator short () {return m_age;} operator const char* () {return &quot;&quot;;} operator Region* (); }; class Region { public: const char* region_name; const char* cheef_name; long size; Region(const char* region_nm) : region_name(region_nm) {} operator long () {return size;} operator const char* () {return region_name;} operator Person () {return Person(cheef_name);} }; Person::operator Region* () {return new Region(m_region_name);}//====================== end of sample.cpp ========================== </pre> Какие операторы преобразования класса Person не являются корректными с точки зрения архитектуры?

<pre> //====================== start of sample.cpp ========================== class Program { public: static char* country; static const int version = 5; static short buid_num = 2223; static char* name; static long long date; }; Program prog; //====================== end of sample.cpp ========================== </pre> Какие объявления и обращения к членам класса и объекта prog, типа Program в файле sample.cpp корректны?

<pre> //====================== start of sample.h ========================== struct S_EMPTY {}; struct A { int i; double g; }; class B { long jj; public: char _str[6]; private: static char str_4_all[9]; }; union mytypes_t { int i; float f; } My; //====================== end of sample.h ========================== </pre> Доступ к каким из членов класса, описанных в файле sample.h (выше), является открытым?