C++ underflow and overflow

Question

Hi I am new in here so please let me know if anything is wrong and I will try to better the next time .

I am trying to understand how underflow and overflow works i

Answer 1

Typically yes. But since this is C++, and C++ is regulated by the C++ standard, you must know that overflows are undefined behavior.

Although what you stated probably applies on most platforms, it's in no way guaranteed, so don't rely on it.