Friend functions in c++

Question

I have tried out some code related to friend functions, but am stuck up...Please check out https://code.sololearn.com/cQ2vXX3gk2KP/?ref=app

Answer 1

line 42, you've declared a pointer but not assigned a value (an address) to it

Answer 2

rodwynnejones how do you do that?

Answer 3

rodwynnejones i de-vised (revised) a better solution....Thanks anyways....