C++ Code RunTime Error

Question

https://code.sololearn.com/c1K4hVuo9dKS/?ref=app
Hello guys I getting an Error when try to use for loop to make objects in the main otherwise it works fine
When creating objects speartly

Answer 1

Could you pleasegive the input data parameter instead of input from keyboard?! I will check

Answer 2

There are a lot of errors.
First of all what is v[i], c[i] and etc under the loop.

Wherethe definiton of d,c cd, as i understand it is array so you need define array with correct size and then useit or define class object and then add it to not fixed array(vector for example).

Problem 2 why u use friend class definition for use variable from inherit classes.

Istead of it variable chassasno set protected, and in this case all inherited classes will have possibility to set and get

Answer 3

Fet data and display data in classes without * in parametera since friend func out of classes with*

So may be you set your aim and i will help you to write a good(production) code