which c++ operators

Question

what c++ operators to use

Answer 1

You use operators as the need for them arises. They all have different purposes and you can't just pick one or a few.

Answer 2

No one can suggest you anything if you don't post the problem. As Daniel said, you use operators when the need arises. You can go through this tutorial to understand further https://www.tutorialspoint.com/cplusplus/cpp_operators.htm