[Haskell-cafe] (no subject)
sebastian.sylvan at gmail.com
Sat Aug 22 11:36:39 EDT 2009
On Sat, Aug 22, 2009 at 3:20 PM, staafmeister <g.c.stavenga at uu.nl> wrote:
> Thank you for the reply.
> Thomas ten Cate wrote:
> > Although you most certainly can use a State monad, in most problems
> > this isn't necessary. Most algorithms that you need to solve
> > programming contest problems can be written in a purely functional
> > style, so you can limit monadic code to just a few helper functions.
> Yes I know but there are a lot of problems requiring O(1) array updates
> so then you are stuck with IO again
Not necessarily. The ST monad will usually do just as well.
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