When would you use an array rather than a vector/string?

Question

I\'m a beginner C++ programmer and so I\'ve learnt using arrays rather than vectors (this seems to be the general way to do things, then move on to vectors later on).

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Answer 1

I see two reasons:

1. Compatibility (old code without STL).
2. Speed. (I compared the speed of using vector/binary_search & array/handwritten binary search. For the last one ugly code was obtained (with reallocation of memory), but it was about 1.2-1.5 times faster then first one, I used MS VC++ 8)