Vectorworks Software Engineer interview questions

first round questions: 1) 3 different ways to pass a parameter? 2) diff between list and vector in c++? 3) describe heap and stack memory. Second round questions: 1) bug fixing related to pointer assigned. 2) write a class for human hand with visible/unvisible parts. 3) Design a high storey building elavator( system design) 4) reverse a string with odd index.

Basically about the past projects that has been done.