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 Ccc 2009
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michaelp




PostPosted: Tue Feb 24, 2009 4:29 pm   Post subject: Ccc 2009

Well, I'm back from school today, and wrote the 2009 junior CCC.
Thought it would be a good time to get the 2009 CCC topic going.
I'm assuming all schools write it on the same day, as that is what it says the Waterloo website?

I only got #1-3 for the junior division. Neutral
My first year though, and I'm only in grade 9. Smile
Used Turing.
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Tony




PostPosted: Tue Feb 24, 2009 4:34 pm   Post subject: Re: Ccc 2009

michaelp @ Tue Feb 24, 2009 4:29 pm wrote:
I'm assuming all schools write it on the same day

That is not necessarily the case. Lets give it a few days before discussing the specifics of CCC 2009's content.
Latest from compsci.ca/blog: Tony's programming blog. DWITE - a programming contest.
saltpro15




PostPosted: Tue Feb 24, 2009 4:35 pm   Post subject: RE:Ccc 2009

we probably should not discuss the solutions or questions for a few days, just in case some schools haven't written yet, but good job Very Happy
michaelp




PostPosted: Tue Feb 24, 2009 4:37 pm   Post subject: RE:Ccc 2009

Okay.
I'll be waiting patiently. I really wanna see how #4 could be done. (Even though for some people it wouldn't be that hard. Razz)
saltpro15




PostPosted: Tue Feb 24, 2009 5:01 pm   Post subject: RE:Ccc 2009

I got 1-3, my dwite teammate got 1,3 and 5 i think, props paul Very Happy
corriep




PostPosted: Tue Feb 24, 2009 5:05 pm   Post subject: RE:Ccc 2009

I personally found #2 harder than #4. Im really proud that I got #5 too!
SJ




PostPosted: Tue Feb 24, 2009 5:08 pm   Post subject: RE:Ccc 2009

i did all 5 on senior. realized i had a bug in 4 T.T and 5's prob gonna time out on bigger cases T.T

so overall, T.T
saltpro15




PostPosted: Tue Feb 24, 2009 5:08 pm   Post subject: RE:Ccc 2009

i would like to see J4 as well, if someone could pm me it, or I can wait a few days i guess Very Happy
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saltpro15




PostPosted: Tue Feb 24, 2009 5:09 pm   Post subject: RE:Ccc 2009

update : woo 300 bits!
Cyril




PostPosted: Tue Feb 24, 2009 9:21 pm   Post subject: RE:Ccc 2009

Okay, so I registered just to discuss the CCC. I should probably introduce myself, then?

I'm Cyril Zhang, a Grade 10 student attending Don Mills Collegiate Institute. I got a perfect score in Grade 8 on the 2007 Junior CCC, which really doesn't mean much, as the problems were extremely easy that year... but I suppose it will do as an introduction. You might also find me on Project Euler, as #3 in Canada.

I finished the Senior contest five hours ago, and we got them marked immediately. (spoilers will be filled in within a day or so) The problems were so hard this year- really caught me off guard. Any thoughts on whether 61/75 would make the Stage 2 cutoff this year?

To those who have completed the contest already (I hope this is vague enough): if you think you've solved #4 and/or #5, be aware that a working solution is far from an optimal solution. The test cases were very IOI-esque. Be prepared to be disappointed. #5 has an optimal solution that is beyond my imagination (at least for now).
saltpro15




PostPosted: Tue Feb 24, 2009 9:25 pm   Post subject: RE:Ccc 2009

Cyril, congrats, that's an amazing score and I do believe you'll make the cutoff, although I am not a CCC judge :p
DanielG




PostPosted: Tue Feb 24, 2009 9:28 pm   Post subject: RE:Ccc 2009

I thought (or more like hoped) on making stage two, and yes, the questions were much harder. I personally hope 61 gets into stage 2 since I probably got around 58-60 (just estimating)
Analysis Mode




PostPosted: Tue Feb 24, 2009 9:30 pm   Post subject: Re: Ccc 2009

lol, the last problem was ... yeah, let's not talk about it.

I did S1, 3, 4 and I have no idea why, but I failed to get S2 :'(.

as for cutoff, definitely won't be a 68 like last year. maybe 55 to 65.
Analysis Mode




PostPosted: Tue Feb 24, 2009 9:31 pm   Post subject: Re: Ccc 2009

btw cyril, did you get the highest score at your school?
Analysis Mode




PostPosted: Tue Feb 24, 2009 9:36 pm   Post subject: Re: Ccc 2009

For S4 and S5, the time limits were ridiculously high. dunno if I can say them out loud though.
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