This is about inheritance in c++

Question

https://code.sololearn.com/cXxqOVIoJHnr/?ref=app

Answer 1

What is the problem that you face?

Answer 2

this program write with Microsoft Visual C++
and compile with this

Answer 3

i know it
and myself put an error to it
for that find it

thank you for finding

Answer 4

I see that you used « instead of <<. The insertion operator is just two < combined as one.

Change the occurrences of « to <<.