Yes. On May 28, 4:52 pm, Ketan Joshi <ketan.s.jo...@gmail.com> wrote: > Thanks guys, > > Just one thought though, > > The order of keys is a side-effect of the implementation. Was it really the > specification for maps implementation? > > ~Ketan > > > > On Fri, May 28, 2010 at 12:22 AM, Lev Neiman <lev.nei...@gmail.com> wrote: > > It is so the keys would be ordered in the map. This is useful in a lot of > > cases. When you iterate through entries in std::map you are iterating in a > > specific order. You can define that order yourself by giving map your own > > custom comparator. This is actually useful in a lot of cases. With hashmap > > there is no order to the entries. Also there is SGI's implementation of > > hash_map that I believe somebody already talked about in this conversation. > > - Lev. > > > On Wed, May 26, 2010 at 2:48 AM, Ketan Joshi <ketan.s.jo...@gmail.com>wrote: > > >> Hi guys, > > >> This could be a wrong forum for such a question, but I am posting it here > >> anyways. > > >> I read somewhere that c++ maps are implemented using height balanced trees > >> (red black trees specifically). > > >> Why wasn't it implemented using hash tables? wouldn't it have been faster > >> specially since maps dont allow duplicate keys? > > >> ~Ketan > > >> -- > >> You received this message because you are subscribed to the Google Groups > >> "google-codejam" group. > >> To post to this group, send email to google-c...@googlegroups.com. > >> To unsubscribe from this group, send email to > >> google-code+unsubscr...@googlegroups.com<google-code%2bunsubscr...@googlegroups.com> > >> . > >> For more options, visit this group at > >>http://groups.google.com/group/google-code?hl=en. > > > -- > > You received this message because you are subscribed to the Google Groups > > "google-codejam" group. > > To post to this group, send email to google-c...@googlegroups.com. > > To unsubscribe from this group, send email to > > google-code+unsubscr...@googlegroups.com<google-code%2bunsubscr...@googlegroups.com> > > . > > For more options, visit this group at > >http://groups.google.com/group/google-code?hl=en. > > -- > Blog:http://beingkejo.wordpress.com
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