Shapes – https://www.online-cpp.com/OU1UrgD1Ml 

Mother-Daughter – https://www.online-cpp.com/HqxXhxkFI6

Virtual Function – https://www.online-cpp.com/axem3ogiVt

Goblin and Giant – https://www.online-cpp.com/GDZs6f9p4z

Code from your classmate – https://www.online-cpp.com/uI7tPiTwSl