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Groups > comp.lang.c > #147512
| Subject | Re: So here's a fun challenge |
|---|---|
| Newsgroups | comp.lang.c |
| References | <NNgvF.21265$hh5.17108@fx07.iad> <MKivF.33881$Yl3.11450@fx24.am4> <XnkvF.1114$bC3.644@fx08.iad> |
| From | Bart <bc@freeuk.com> |
| Message-ID | <1XkvF.120116$7ei.98248@fx36.am4> (permalink) |
| Organization | virginmedia.com |
| Date | 2019-11-02 19:38 +0000 |
On 02/11/2019 19:01, Richard Damon wrote: > On 11/2/19 1:08 PM, Bart wrote: >> >> Does the Python not de-dupe? > > Lists, which the program is using can store duplicate values, as they > are different because they are at different indexes (Lists have an order). > > Sets, which is what the program uses to dedup, do not store duplicate > values, but also does not maintain an order (sets are built on hash tables). > > Passing the data through a set before sorting removes all the duplicates. > > > Lists would be broken if they did not store duplicates. > The sort function would be broken if it eliminated duplicates. OK, I got the idea that duplicates would be eliminated completely (since when I ran the Python, those extra duplicate values still appeared): - dedupe the combined array - add the unique vals to a new array that's sized appropriately
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So here's a fun challenge DFS <nospam@dfs.com> - 2019-11-02 10:53 -0400
Re: So here's a fun challenge Bart <bc@freeuk.com> - 2019-11-02 17:08 +0000
Re: So here's a fun challenge Richard Damon <Richard@Damon-Family.org> - 2019-11-02 15:01 -0400
Re: So here's a fun challenge Bart <bc@freeuk.com> - 2019-11-02 19:38 +0000
Re: So here's a fun challenge Richard Damon <Richard@Damon-Family.org> - 2019-11-02 16:07 -0400
Re: So here's a fun challenge DFS <nospam@dfs.com> - 2019-11-03 09:29 -0500
Re: So here's a fun challenge Bart <bc@freeuk.com> - 2019-11-02 20:36 +0000
Re: So here's a fun challenge DFS <nospam@dfs.com> - 2019-11-03 09:33 -0500
Re: So here's a fun challenge Paul <nospam@needed.invalid> - 2019-11-03 20:53 -0500
Re: So here's a fun challenge Ian Collins <ian-news@hotmail.com> - 2019-11-03 14:33 +1300
Re: So here's a fun challenge Ian Collins <ian-news@hotmail.com> - 2019-11-03 14:35 +1300
Re: So here's a fun challenge DFS <nospam@dfs.com> - 2019-11-03 00:18 -0400
Re: So here's a fun challenge Ian Collins <ian-news@hotmail.com> - 2019-11-03 18:02 +1300
Re: So here's a fun challenge Bart <bc@freeuk.com> - 2019-11-03 11:19 +0000
Re: So here's a fun challenge Ian Collins <ian-news@hotmail.com> - 2019-11-04 00:33 +1300
Re: So here's a fun challenge DFS <nospam@dfs.com> - 2019-11-03 09:39 -0500
Re: So here's a fun challenge Autist <autist69@gmail.com> - 2019-11-03 11:16 +0100
Re: So here's a fun challenge Autist <autist69@gmail.com> - 2019-11-03 11:29 +0100
Re: So here's a fun challenge Ian Collins <ian-news@hotmail.com> - 2019-11-03 23:34 +1300
Re: So here's a fun challenge Melzzzzz <Melzzzzz@zzzzz.com> - 2019-11-03 11:04 +0000
Re: So here's a fun challenge Autist <autist69@gmail.com> - 2019-11-03 14:56 +0100
Re: So here's a fun challenge Autist <autist69@gmail.com> - 2019-11-03 15:36 +0100
Re: So here's a fun challenge nobody@example.org (Scott) - 2019-11-03 17:35 +0000
Re: So here's a fun challenge Ian Collins <ian-news@hotmail.com> - 2019-11-04 08:03 +1300
Re: So here's a fun challenge DFS <nospam@dfs.com> - 2019-11-04 10:07 -0500
Re: So here's a fun challenge nobody@example.org (Scott) - 2019-11-04 16:06 +0000
Re: So here's a fun challenge DFS <nospam@dfs.com> - 2019-11-04 15:33 -0500
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