Can I extend already defined array?

Question

let's say I need more then 5 users.

Answer 1

Though you cant't, here is a way...

Initialize the array with a very large size(type arr[5000];), and then ask for a size of the array(n).

then use a loop to get the n elements.

Now since n<5000, you can increase n to your choice later...(n++ or n+=m).

And add elements accordingly..

This is a basic but certified way...

Answer 2

if by extend you mean change the size then the answer is no. You should use vectors to do that.

Answer 3

u can't. u can create new array and copy the data or you'd use std::vector

Answer 4

no u cant do it!. as the array is defined once u cant extend it

Answer 5

No you can't extend the already defined array

Answer 6

nope, if yes then i even i wanna know..

Answer 7

no, you can assign new value to that array but u can't extend the size of the array.

Answer 8

no, an array is just a pre determined set of memory put aside for the program during runtime. it's static, however c++ does have a way to dynamically (run time) create memory and that's under vectors in the standard library

Answer 9

No but you can extend a special kind of "array" which is builted into a STD, namely "vector". Used when you don't know how many elements you will have in prg (for example, when you don't now how many elements you will input into that array-like "construct").

Answer 10

No, you can not add more elements than the initially defined size of the array