From: Sam Kong Date: 2005-10-18T10:21:57+09:00 Subject: Re: How to get non-unique elements from an array? I must confess that I love this group...:-) Very enthusiastic!!! Ryan Leavengood wrote: > > Overall Martin's was the best. As he suspected, David's was quite > slow. Sam's as well. > Ryan, thanks for the benchmarking. Please, add my original solution to your benchmark. It seems to be very fast. The reason I asked the question was not performance but briefness and rubish style. The slow one I came up later looks very intuitive and brief but suffers from performance. Briefness and performance don't always go together. Regards, Sam