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Forums Round Tables General Discussion SPOJ: myprasanna's contest [ 1 2 ]    NEXT >
SPOJ: myprasanna's contest | Reply
Hi all,

I wrote the local contest of our institute to select the team for ACM ICPC. I enjoyed the problem set and hence wish to add them to SPOJ.
I think some problems are really cute and challenging.

Hence I added it as a SPOJ contest:
October 14, 10:00 - 16:00 GMT, 15:30 - 21:30 IST [Sunday]
http://www.spoj.pl/NITTLOCL/
[9 problems, 6 hours]

I have marked it in algorithmist
http://www.algorithmist.com/index.php/Programming_Contest_Calendar

Hope we have a nice contest :)
Re: SPOJ: myprasanna's contest (response to post by myprasanna) | Reply
The solutions.zip file isn't opening for me :(
Re: SPOJ: myprasanna's contest (response to post by vinaysingh) | Reply
Oopsie :) Sorry the link has been fixed now :)
http://www.spoj.pl/content/myprasanna:solutions.zip
Re: SPOJ: myprasanna's contest (response to post by myprasanna) | Reply
A great contest!

I got very close to the solution of 'Game Time' and my approach was almost identical to that of yours. Is there anyway to view the judge in/out?

And I felt that it would have been better if you had disclosed the sources of the problems after the contest was over.
Problem D-Dragon Curve (The solution was floating around in the uva forum)
Re: SPOJ: myprasanna's contest (response to post by sohelH) | Reply
Actually the sources of the problems were put up even during the contest!
Look below the problem for the SOURCE field.
If you are getting a WA on G, then i am guessing, did you consider the tree can have more than one components?
Currently the IO is not put up anywhere, but i can mail you.
If you want some IO for a problem: myprasanna@gmail.com

I'm glad you liked the contest :)
Re: SPOJ: myprasanna's contest (response to post by myprasanna) | Reply
Actually the sources of the problems were put up even during the contest!

Yes. That's what I meant. It shouldn't have been there during the contest.
Like I said, the solutions and discussions are available in the corresponding forums.
Re: SPOJ: myprasanna's contest (response to post by myprasanna) | Reply
Nice contest. I think I liked problem D (Dragon Curves) the most, but I also found it quite difficult so it surprised me to see so many people getting it right. Maybe it's the UVA thing sohelH mentioned before.

For problem G, it was a bit unclear whether the graph could have more than one connected component. The "family tree" explanation given in the first paragraph gave me the impression that this couldn't happen, but after reading the input description I wasn't so sure, so I had to handle the case just to be safe.
Re: SPOJ: myprasanna's contest (response to post by myprasanna) | Reply
I can't seem to connect to SPOJ at all... Is it just me?

Incidentally, are the problems available in a single PDF/PS? Or, what are the problem numbers on UVa?

Thanks.
Re: SPOJ: myprasanna's contest (response to post by NeverMore) | Reply
I can connect to SPOJ.
Re: SPOJ: myprasanna's contest (response to post by NeverMore) | Reply
problem B - http://acm.uva.es/p/v7/741.html
problem D - http://acm.uva.es/p/v112/11253.html
problem G - http://acm.zju.edu.cn/show_problem.php?pid=2834
problem H - http://acm.uva.es/p/v107/10795.html

For problem G, the constraints were increased to make the problem harder.
Re: SPOJ: myprasanna's contest (response to post by sohelH) | Reply
Thanks a lot.
Re: SPOJ: myprasanna's contest (response to post by pdallago) | Reply
Thanks.
All problems are now added to SPOJ.
It was a fun contest anyways :) ppl take part for fun only, so nvm :)
Re: SPOJ: myprasanna's contest (response to post by sohelH) | Reply
shoel wrote:
Problem D-Dragon Curve (The solution was floating around in the uva forum)

so what ? we r living in a world of free software movement and we r learning a lot from others by discussion,by seeing source code and also we can able to produce more bug free solutions by making it open to all.
Re: SPOJ: myprasanna's contest (response to post by 666) | Reply
...and also we can able to produce more bug free solutions by making it open to all.

I don't think this is the point in programming contests, where solutions to the problems are already known by the person posing them...
Re: SPOJ: myprasanna's contest (response to post by Minilek) | Reply
where solutions to the problems are already known by the person posing them...
... most of the time :p
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