Try your hand at one of the practice problems, and submit your solution in the language of your choice (our judge accepts solutions in over 35+ languages). Receive points, and move up through the CodeChef ranks. Get better, and better prepare yourself for the competitions
Name Code Successful Submissions Accuracy
Head office building BUILDING 10 5.59
The Black and White Knights BWKNIGHT 40 9.17
Ripple-Carry Adder RIPPLE 18 8.05

The contest has now ended.

Check out the post contest blog post here.

Check out the editorials to the contest problems here.

NOTE: The ranklist will be available at the following URL: http://www.codechef.com/rankings/COOK01

 

  • Please do not discuss strategy, suggestions or tips in the comments during a live contest. Posting questions clarifying the problem statement is ok. Comments will be published only after admin approval during the contest. If you are unsure, email us at feedback@codechef.com

  • You can also send in your queries in an email to contest-admin@codechef.com, during the contest.

  • Contest problems will become visible on July 24th 2010 at 21:30 (IST).

  • You will receive one point for solving a problem (passing all test cases - no partial credit), regardless of the level of difficulty of that problem.

  • Users are ranked according to the most problems solved. Ties will be broken by the total time for each user in ascending order of time.

  • The total time is the sum of the time consumed for each problem solved. The time consumed for a solved problem is the time elapsed from the beginning of the contest to the submittal of the first accepted run plus 20 penalty minutes for every previously rejected run for that problem. There is no time consumed for a problem that is not solved.

CONTEST ENDED.

RESULTS:

RECENT ACTIVITY:

RECENT COMMENTS FOR THIS SECTION:

04:45 AM Jul 25th: admin commented on Ripple-Carry Adder: @Igor: You may check the problem editorial here.
02:00 AM Jul 25th: Igor Kudryashov commented on Ripple-Carry Adder: Is analysis of that problem going to be? I would be grateful anybody send it to my...
12:42 AM Jul 25th: Fdg commented on The Black and White Knights: we need bignums
12:27 AM Jul 25th: theeporithirumugam commented on The Black and White Knights:   Please Tell whether the answer will fit in 64 bit or we need bignums in the qu...
12:10 AM Jul 25th: anton_postnikov commented on The Black and White Knights: I can't cubmit a solution. Submit button has the following URL: http://www.codech...
12:10 AM Jul 25th: raman bhatia commented on The Black and White Knights: damn!!!  i missed it.... i thought its on25th :(
12:07 AM Jul 25th: indraneel commented on Head office building: when will this be posted to practice problems?
I wan't to check whether my so...
12:05 AM Jul 25th: indraneel commented on Head office building: OOPS........ 2min late to submit! :(
12:03 AM Jul 25th: Karan1337 commented on Ripple-Carry Adder: @anup Yes, run it 3 times, so the answer is 3, converted into binary would be 11, ...
12:01 AM Jul 25th: santanupadhi_cet commented on Ripple-Carry Adder: my program is giving correct o/p.What's wrong in that?
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