Matrix.cpp

struct Matrix{
 // you cannot initialize a variable ....
 // ... (assign it values) inside the structure
 int row1[3];
 int row2[3];
 int row3[3];
};

void printMatrixLine(int *row){
  for(int i = 0;i<3;i++){
     cout<<row[i]<< " ";    
  }
  cout<<endl;
}

Matrix askForPoints(){
    int x1,x2,x3;
    int y1,y2,y3;
    int z1,z2,z3;
    cout<< " Type in 3 integers ";
    cin >> x1 >> x2 >> x3;
    cout <<" Type in 3 integers ";
    cin >> y1 >> y2 >> y3;
    cout << " Type in 3 integers ";
    cin >> z1 >> z2 >> z3;
    cout <<" --------- " << endl;

    

    struct Matrix m = { {x1,x2,x3} , {y1, y2, y3} , {z1, z2, z3}};
    return m;
}

int main(){
   // initialize the matrix in main()
    Matrix m = askForPoints();
    printMatrixLine(m.row1);
    printMatrixLine(m.row2);
    printMatrixLine(m.row3);
   // then pass in the initialized matrix into printMatrix()
   return 0;
}