Bhaiya wrote the following code for pointing to the current array which is as follows :
int *old_arr= arr;
My question is that why didn’t Bhaiya put double * before old_arr ?
I think it should be **old_arr=arr;
Please explain me if I am wrong.
Designing our own vector in c++
The first pointer is used to store the address of the variable. And the second pointer is used to store the address of the first pointer.
hume basically sirf address chaiye for allocation
refer to video where he has actually coded the logic
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