Declaring an array of unknown size

Question

This is not specific to any programming language, the problem is \"find the index of a specified value in an array of n numbers.

Now my question is, in the code below ca

Answer 1

In terms of syntax - that would certainly be programming language dependent. But assuming the programming language behaves more or less statically and treats arrays as statically allocated blocks in memory (rather than vectors, etc.), etc. then the first option must be correct as only after n is read a static array can be allocated.