On Jan 18, 2008, at 5:05 PM, ara.t.howard wrote: > > On Jan 18, 2008, at 2:00 PM, yermej wrote: > >> On Jan 18, 2:38 pm, Ken Bloom <kbl... / gmail.com> wrote: >>> First testcase: >>> "your banana my banana" should give " banana" >>> >>> --Ken >>> >>> -- >>> Ken (Chanoch) Bloom. PhD candidate. Linguistic Cognition Laboratory. >>> Department of Computer Science. Illinois Institute of Technology.http://www.iit.edu/~kbloom1/ >> >> And a second: >> "aaaaaa" should give "aaa" >> >> Right? > > i would think that > > 'aaaaaa'.longest_repeating_substring #=> 'aaaaa' > > the quiz did not say that the two strings could not overlap. > > is this correct james? Actually, it did. Here's the relevant line from the quiz: "Repeated substrings may not overlap." James Edward Gray II