Multilevel inheritance problem

Question

Hi,

Please help me on this puzzle

i have class D inherited fronm class B and class C, these class C and Class D again inherited from class A. In class D i have to access function in class A. is it possible

Answer 1

Yes you can and you probably want to use virtual inheritance. If you don't use virtual inheritance then you'll need to use B::f() or C::f() to specify which one you want to use. If you use virtual inheritance you can use just f().

See my answer here for details