From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on polar.synack.me X-Spam-Level: X-Spam-Status: No, score=0.2 required=5.0 tests=BAYES_00,INVALID_MSGID, REPLYTO_WITHOUT_TO_CC autolearn=no autolearn_force=no version=3.4.4 X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: 10f6aa,e1e578817780dac2 X-Google-Attributes: gid10f6aa,public X-Google-Thread: 109fba,baaf5f793d03d420 X-Google-Attributes: gid109fba,public X-Google-Thread: fc89c,97188312486d4578 X-Google-Attributes: gidfc89c,public X-Google-Thread: 1014db,6154de2e240de72a X-Google-Attributes: gid1014db,public X-Google-Thread: 103376,97188312486d4578 X-Google-Attributes: gid103376,public From: Lawrence Kirby Subject: Re: Should I learn C or Pascal? Date: 1996/08/16 Message-ID: <840224235snz@genesis.demon.co.uk>#1/1 X-Deja-AN: 174729667 x-nntp-posting-host: genesis.demon.co.uk references: <4u7hi6$s2b@nntp.seflin.lib.fl.us> <4uo74j$95p@ns.broadvision.com> <4v1r2a$gh6@falcon.le.ac.uk> x-mail2news-path: genesis.demon.co.uk organization: none reply-to: fred@genesis.demon.co.uk newsgroups: comp.lang.c,comp.lang.c++,comp.unix.programmer,comp.lang.ada,comp.os.msdos.programmer Date: 1996-08-16T00:00:00+00:00 List-Id: In article <4v1r2a$gh6@falcon.le.ac.uk> EB15@le.ac.uk "Dr E. Buxbaum" writes: >djohnson@tartarus.ucsd.edu (Darin Johnson) wrote: >>> A binary sort, also known as quicksort, or Hoare's sort is covered > extensively > >>"quicksort is the fastest sort" categorization without really >>understanding it. > >A common misconception. Quicksort is fast for UNSORTED data. For data >which are largely presorted (a common occurance if a bunch of additional >data has to be added to a list), Quicksort becomes Slowsort. Quicksort is faster for sorted data than unsorted data: any passable implementation will use at the very least median-of-three pivot selection. -- ----------------------------------------- Lawrence Kirby | fred@genesis.demon.co.uk Wilts, England | 70734.126@compuserve.com -----------------------------------------