i want to know what is the difference between size and capacity and is the capacity fixed for any array??
and since vector is dynamic array so why is its size not infinite why does it have a max size
Vector size allocation
Read the above page for the difference between size and capacity methods of vector class. It is very well explained over there.
Vector is dynamic array. So we can change its size as and when required according to our needs. Infinite size does not have any physical significance. So it always has a max size.
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