Which function always returns an rvalue reference from "x", which can be used to indicate the object is going to be destroyed soon?

bool is_even(int i) { return i % 2 == 0; } int v[] = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9}; std::partition(v, v + 10, is_even); What is the content of array v?

class A { int x; protected: int y; public: int z; }; class B: public virtual A { }; What is the privacy level of B::x?

The value of '(sizeof(short) == sizeof(int) && sizeof(int) == sizeof(long))' is

Output of the following program? template void foo(U&, T&) { std::cout << 'first'; } template void foo(int&, const T&) { std::cout << 'second'; } int main() { int a; double g = 2.; foo(a, g); return 0; }

Output of the following C++ code ? #include class A { int a; public: void foo() {std::cout<<'foo';} }; int main() { A* trial=nullptr; trial->foo(); }

The ________ function concatenates the contents of one c-string with another c-string.

Data that is sorted in ascending order is ordered ________.

To arrange the elements in an array in ascending order, you use the ____ method.

The maximum number of entry points that any programming structure can have is ____.

The function eof is a member of the data type ____________________.