Pointers & Refrences

[agaria]

From pointers and references; which one is more efficient in terms of memory usage? Give valid reasons.

[kbw]

Is this an exam question? In C++ they use the same amount of storage.

[agaria]

Yes it is an probable exam question. Can you give some comprehensive answer to this question.
I would be thankful to you.

[kbw]

http://en.wikipedia.org/wiki/Reference_(C%2B%2B)