[plt-scheme] HtDP: Another question on 10.1.9
On Sat, Sep 20, 2008 at 9:13 AM, Carl Eastlund <cce at ccs.neu.edu> wrote:
> To be less
> cryptic, if you read your purpose statement, and apply it to the
> recursive call, does it make sense?
No.
> Are you really solving a smaller
> instance of the same problem, or are you just solving a smaller
> problem?
A smaller problem.
> The former is recursion; the latter is not (and suggests
> either inlining or a helper function).
Thanks, Carl and Matthias..