template <typename T>
class Vector {

  public:
    Vector();
    Vector( const unsigned ) throw ( bad_alloc );
    Vector( const unsigned, const T& ) throw ( bad_alloc );
    Vector( const Vector<T> & ) throw ( bad_alloc );
    ~Vector();
    void assign( const unsigned, const T& ) throw ( out_of_range );
    T& at( const unsigned ) const throw ( out_of_range );
    unsigned capacity() const;
    void clear();
    bool empty() const;
    void insert( const unsigned, const T& ) throw ( bad_alloc, out_of_range );
    T& operator[]( const unsigned ) const throw ( out_of_range );
    const Vector<T> &operator=( const Vector<T>& ) throw ( bad_alloc );
    void push_back( const T& ) throw ( bad_alloc );
    void resize( const unsigned, const T& = T() ) throw ( bad_alloc );
    unsigned size() const;
    void sort();
    void remove( const unsigned ) throw ( out_of_range );

  private:
    T* contents;
    unsigned sz;
    unsigned cap;

    void increaseCapacity() throw ( bad_alloc );

}; // Vector<T> class