What is the best/fastest? First deleting and then allocating with new, or just reallocating the space with realloc()?

Oh, and btw, can I use realloc with new/delete? Or is there another operator?

I''m sorry to trouble you all, but I should really just google for it before I ask... Well, this time I googled for the answer right after I asked the question here, and found the answer right away!

I''ll try loking a little next time ...

Ok, I should probably google as well but I''m just curious, does realloc work with new/delete?

Oh, and btw, can I use realloc with new/delete?

Not in the way you are thinking. STL containers are usually the answer.

Or is there another operator?

Placement new. Deep magic.

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New/delete are a C++ bunch. Realloc is left over from the old days of C. Your question should be "what''s faster, realloc or free/malloc". By the way, if you feel you need to realloc you might want to implement some sort of a special memory management technique.