Is size of vector increased by one as at some place it wrote increased by one but in video sir has told increased by two…
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Vector doubts size
You need to differentiate between size and capacity of a vector .
When the size of the vector becomes equal to the capacity , the capacity is always increased twice the memory it has , when a new element is to be push_back into the vector.
So , when vector is of capacity 4 and you put a 5th element in that.
The capacity will become 8 but the size will be increased by 1 i.e 5 .