Are there an even number of players? Are all players assigned to teams? Are the two teams necessarily of equal sizes?
On Mon, Oct 5, 2015 at 3:45 AM, andrea crotti <andrea.crott...@gmail.com> wrote: > Hi everyone, > > I was trying for fun to solve the following problem: > > given a list of football players with some defined skills, find out which > team selection would be balanced. > > For example given just 4 players A, B, C, D there would be the following > team selections: > > - (A, B) vs (C, D) > - (A, C) vs (B, D) > - (A, D) vs (B, C) > > So it's a combinatorial problem however both inside teams and inside the > selection the order does not count, so the number of possible teams > is a lot smaller than the actual all possible permutations. > > I came up with a brute force solution here: > > > https://github.com/AndreaCrotti/football/blob/master/src/cljc/football/engine.cljc#L75 > > which however explodes already for 12 players because: > > - it does all the possible permutations of teams (12! in that case) > - partition accordingly (using sets to remove duplicates) and evaluate > every single one of them > > Any idea how to make this faster? > Other advices on the code are welcome as well.. > > Thanks > > -- > You received this message because you are subscribed to the Google > Groups "Clojure" group. > To post to this group, send email to clojure@googlegroups.com > Note that posts from new members are moderated - please be patient with > your first post. > To unsubscribe from this group, send email to > clojure+unsubscr...@googlegroups.com > For more options, visit this group at > http://groups.google.com/group/clojure?hl=en > --- > You received this message because you are subscribed to the Google Groups > "Clojure" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to clojure+unsubscr...@googlegroups.com. > For more options, visit https://groups.google.com/d/optout. > -- You received this message because you are subscribed to the Google Groups "Clojure" group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups "Clojure" group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
