Search found 100 matches

by DJWS
Sat Jul 31, 2004 5:27 am
Forum: Algorithms
Topic: what is A* and IDA* ?
Replies: 12
Views: 3015

what is A* and IDA* ?

I have heard that A* and IDA* are similiar with BFS algo.
I also heard that some problems can be solved effeciently with IDA*, like:

652 Eight
10422 Knights in FEN
10181 15-Puzzle Problem

I really do not know about IDA*.
I seek your help :)

--
DJWS, a newbie in programming :wink:
by DJWS
Mon May 24, 2004 10:23 am
Forum: Volume 102 (10200-10299)
Topic: 10270 - Bigger Square Please...
Replies: 25
Views: 11744

I have no idea how to reduce time.
Could anyone help?
I have almost stuck in the prob. :(

--
DJWS, a newbie in programming :wink:
by DJWS
Mon May 03, 2004 6:47 am
Forum: Volume 102 (10200-10299)
Topic: 10202 - Pairsumonious Numbers
Replies: 10
Views: 5503

Thanks for the info, Larry :)
I will give a try with this method.

----
DJWS, a newbie in programming :wink:
by DJWS
Sat May 01, 2004 11:08 am
Forum: Volume 102 (10200-10299)
Topic: 10202 - Pairsumonious Numbers
Replies: 10
Views: 5503

10202 -- Pairsumonious Numbers

hi all, I have a question. Could this problem solve with DP? I have tried to solve this with DFS, finding out all possibility. but it seems that my method waste a lot of time. I ponder if a more efficient way exists, just like DP. Anyone have an idea about solve Q10202 with DP? :) ---- DJWS, a newbi...
by DJWS
Thu Apr 29, 2004 4:07 pm
Forum: Algorithms
Topic: need some "convex hull" probs
Replies: 3
Views: 1668

thank you very much :)
i will try to solve them as soon as possible.

----
DJWS, a newbie in programming :wink:
by DJWS
Thu Apr 29, 2004 8:13 am
Forum: Algorithms
Topic: need some "convex hull" probs
Replies: 3
Views: 1668

need some "convex hull" probs

I just learned algo about "convex hull." I wanna practice this kind of probs. But lack of exprience, I can't find appropricate probs myself. Could anyone do me a favor, just suggesting some "convex hull" probs in prob set for me? I will appreciate your help :) -- DJWS, a newbie in programming :wink:
by DJWS
Mon Jan 05, 2004 7:08 pm
Forum: Other words
Topic: ICPC Live Archive-- why submission error ?
Replies: 3
Views: 2016

Yes, I do use my new ID. I can see the judge status at this web [color=blue]http://acm.uva.es/cgi-bin/OnlineJudge2?Status:Archive[/color] , and i also can see many Submission Error here. It seems it's not only me. I don't know what is the problem :-? plz help~~ -- I apologize for my poor English :oo...
by DJWS
Mon Jan 05, 2004 6:02 am
Forum: Other words
Topic: ICPC Live Archive-- why submission error ?
Replies: 3
Views: 2016

ICPC Live Archive-- why submission error ?

I have tried submit my code on archive for several times.
And I always got Submission Error.

I have check my id and suffix, and I'm sure that is correct.
Is anything wrong?

Plz help me :)
by DJWS
Mon Oct 13, 2003 3:33 am
Forum: Volume 102 (10200-10299)
Topic: 10298 - Power Strings
Replies: 31
Views: 13406

I got it :o
by DJWS
Sat Oct 11, 2003 3:55 pm
Forum: Volume 102 (10200-10299)
Topic: 10298 - Power Strings
Replies: 31
Views: 13406

10298

Hi, I used such input : abaaababaaab , and my program will output : 1 I think the output is wrong, and it should be 2 anyway Strangely, after sending my code to online-judge, I got AC :-? BTW, I found this problem when i was handling p455 p455 is very similar with p10298 but online-judge will detect...

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