When are variables removed from memory in C++?

Question

I\'ve been using C++ for a bit now. I\'m just never sure how the memory management works, so here it goes:

I\'m first of all unsure how memory is unallocated in a fu

Answer 1

In this case both num and temp are local to this function. When the function is called the number passed into num is copied from the caller to a variable on the stack. Temp is then created on the stack. When you return the value of num is copied back to the caller, and the temp and num variables used in the function are dropped.