namespace std {
class out_of_range : public logic_error {
public:
explicit out_of_range(const string& what_arg);
explicit out_of_range(const char* what_arg);
};
}The class out_of_range defines the type of objects thrown as exceptions to report an argument value not in its expected range.
out_of_range(const string& what_arg);
out_of_range(const char* what_arg);