well sure it is confusing if you never used C (as most of the other language does not give access to pointers at all) but when you see something tagged as 'C',

well sure it is confusing if you never used C (as most of the other language does not give access to pointers at all) but when you see something tagged as 'C', 'pointers', 'challenge' I guess you can fairly assume it is an "advanced subject" for people already experienced in C no ?