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Interview Question


Country: India



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Because it would have to be implemented differently to be able to accomodate that, and that would increase the runtime of some of the other operations available on it. You need to use something like a deque to have the ability to push_front

- eugene.yarovoi September 14, 2012 | Flag Reply
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I would add that if you don't care about efficiency and for some reason absolutely must use a vector, you can do mtyVector.insert (0, value) to achieve a push_front operation.

- Anonymous September 14, 2012 | Flag
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of 0 vote

Its for efficiency purpose push_front doesn't exist.
Vector is a contiguous memory location adding element to front requires shifting all the elements to right by 1 position.

- shivakumar January 28, 2014 | Flag Reply


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