@Robert:
You can look for a similar problem here :
https://www.spoj.pl/problems/BSHEEP/
For algorithm I suggest you to go for Graham's scan or Quick hull.
On Sat, Oct 31, 2009 at 1:39 AM, Robert Berman wrote:
> Hello Shashwat,
>
> I have saved the web page for a much more detailed review aft
Hello Shashwat,
I have saved the web page for a much more detailed review after I work
through the suggestions given by Alan et all. It is obvious that a
casual read is not going to be enough.
Thank you for the information.
Robert
On Fri, 2009-10-30 at 23:49 +0530, Shashwat Anand wrote:
> The
The problem belongs to 'Convex Hull' superset.
look into : http://en.wikipedia.org/wiki/Convex_hull_algorithms
On Thu, Oct 29, 2009 at 6:05 PM, Robert Berman wrote:
>
> Kent and Alan,
>
> Thank you both for providing me with tools I can use to develop the sort
> portion of my algorithm. They ar
Kent and Alan,
Thank you both for providing me with tools I can use to develop the sort
portion of my algorithm. They are invaluable. I really appreciate Luke's
willingness to examine and advise on the full algorithm and once it is
written (only the function that determines distance between two p
On Wed, Oct 28, 2009 at 1:34 PM, Robert Berman wrote:
> Hi,
>
> I am working on a practice problem called 'POINTS' on the CodeChef
> site:http://www.codechef.com/problems/POINTS/. This simply wants the sum
> of the distances between a number of points on a 2 dimensional plane.
> Looking at the pro
"Robert Berman" wrote
constructed. My point of confusion is in ordering the points. Given a
very simple example set of points:
The arrangement should be,
0 5
0 2
0 1
2 3
2 1
5 2
5 1
You might find the itertools.groupby function does most of what you need?
HTH,
Alan G.
__
Oops I replied off list twice. (i wish they would just munge the addresses
*grumble**grumble*)
On Wed, Oct 28, 2009 at 11:34 AM, Robert Berman wrote:
Hi,
What I am looking for is a better, faster approach. I think there would
be a way to build a dictionary but you can't use the X values as keys