[Noisebridge-discuss] Project Euler group

Christoph Maier cm.hardware.software.elsewhere at gmail.com
Sun Oct 4 22:48:00 UTC 2009


On Sun, 2009-10-04 at 14:03 -0700, krux at thcnet.net wrote:
> > Helps, but doesn't solve the issue I'm always asking for:
> >
> > How can I find others' information Saturday night at 3 AM,
> > and how do others find the information I produce at that time?
> 
> Perhaps that'd be a good use to try out Google wave (assuming people have
> invites) 

So far, that exact argument (I want to collaborate with noisebridge
folks from San Diego) didn't get me an invitation ...

> and failing that a Wiki.

Actually, version control is very nice to have, 
if you end up tweaking your code during discussions.

> > And now for something completely different:
> > Do you happen to have an implementation of the Pollard-Strassen
> method
> > for factoring prime numbers?
> >
> > Mathematica feels like cheating:
> > In[69]:= FactorInteger[600851475143]
> >
> > Out[69]= {{71, 1}, {839, 1}, {1471, 1}, {6857, 1}}
> 
> Yea that's why I'm using Perl for most of my work on Project Euler.
> Bugs me
> when I look at solutions where it's one line in Mathmatica.  May as
> well
> Gooogle it at that point.

Of course, you can always take the pedestrian approach in Mathematica,
too (although procedural programming in Mathematica feels distinctly
inappropriate).

Christoph





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