The January Contest has ended!
Editorials for the problems can be found here.
All problems have been added to the practice section.
Solutions are public for all problems.
Winners Blog Post will be updated soon.
The New Contest Rating can be viewed here.
Please do not discuss strategy, suggestions or tips in the comments during a live contest. Posting questions clarifying the problem statement is ok. If you are unsure, email us at firstname.lastname@example.org
Discussing CodeChef’s problems or any aspect of problem, on any other platform on web, on identification, could lead to disabling of respective account and banning from the community.
Contest problems will become visible on January 1st 2013 at 15:00 hours IST. Check your timezone here.
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.
You can submit solutions as many times as you'd like, there are no penalties for incorrect submissions.
Each contest will have one min/max tie breaker problem, where the best solution will receive one point and all other solutions will receive a fraction based how close they come to the best solution.
14/01/2013, 14:50 IST: The test data for the problemÂ KILOWHAT has been updated. All AC submissions for the problem have been placed for re-judge. The contest has been extended for one more day.Â The contest has been extended by 1 day. The contest will now end on 15th January 2013 15:00 IST. Regret the inconvenience caused.
09/01/2012, 09:57 IST: The statement of the problemÂ LEALCO has been updated. Regret the inconvenience caused.
08/01/2013, 20:45 IST: The contest has been extended by 3 days. The contest will now end on 14th January 2013 15:00 IST.
08/01/2013, 20:45 IST: The final problem of the contest HOB has been added.
08/01/2013, 14:10 IST: The test data for the problemÂ THREEDIF has been updated. All AC submissions for the problem have been re-judged. Regret the inconvenience caused.
05/01/2013, 15:00 IST: The ninth problemÂ THREEDIF has been added to the contest page.
03/01/2013, 22:45 IST: The eight problemÂ CUCUMBER has been added to the contest page.
02/01/2013, 21:00 IST: The seventh problem ANDOOR has been added to the contest page.
01/01/2013, 15:00 IST: FourÂ of the ten problems are still being cooked in the kitchen. We will be serving them soon.