190                                    6.    

enum transform { transpose, negative, upper };

matrix::matrix(const matrix& a, transform t)

{

//          base[i][j] = a.base[j][i]

//                base[i][j] = -a.base[i][j]

//  base[i][j] = a.base[i][j]

//                                        i <= j,  

}

27. ()    ,   -
           -
. :

address[""] = ", ";

       STL.