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

Normally when creating an array you need to know the size before-hand. Whether you know the value at compile-time or run-time can be dependent on your language/project requirements, but it must be known before you can decide to create an array of that size. (i.e. the first solution is correct)