class intmatrix
{
  protected:
    int rows, cols;
    int * data;
    int position(int r, int c);
  public:
    intmatrix(int rs, int cs);
    ~intmatrix();
    void fill(int val);
    void set(int r, int c, int val);
    int get(int r, int c);
    int get_rows();
    int get_columns();
    void print();
};