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
NameCodeSuccessful SubmissionAccuracy
The Minimum Number Of Moves
SALARY
2423
33.27
Chef of the Year
CVOTE
1736
34.07
Three Different Numbers
THREEDIF
1670
25.87
End Of The World
CHEFHACK
1067
16.33
Little Elephant and Alcohol
LEALCO
849
18.93
A Fence for Byteland
KILOWHAT
252
38.09
Dividing Products
DIVPRO
137
9.5
Hotel Balifornia
HOB
92
6.58
A New Door
ANDOOR
43
3.95
Cucumber Boy and Cucumber Girl
CUCUMBER
11
4.98

 

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.


Rules:


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 feedback@codechef.com

 

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.

Announcements

14/01/2013, 14:50 IST: The test data for the problem 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. 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 problem 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 problem 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 problem THREEDIF has been added to the contest page.

03/01/2013, 22:45 IST: The eight problem 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: Four of the ten problems are still being cooked in the kitchen. We will be serving them soon.

CONTEST ENDED.

CONTEST RANKS

Click here for the contest Ranks.

RECENT ACTIVITY


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RECENT COMMENTS

    


	

		

							05:14 PM Feb 8th:
							kaushik777 commented on The Minimum Number Of Moves: How can i submit.?
					   

							11:43 AM Jan 24th:
							sravansai commented on Chef of the Year: @adm Can we use Gridgain/hadoop/ anyother distributed platform here?
					   

							02:46 PM Jan 21st:
							chamanchindi commented on End Of The World: @Khadarbasha and other admins :- I understood the question clearly, the first time...
					   

							03:02 PM Jan 18th:
							eclipse2090 commented on The Minimum Number Of Moves: how can i submit?

					   

							12:21 PM Jan 17th:
							balakrishnan_v commented on Cucumber Boy and Cucumber Girl: @anton_lunyov
done!
					   

							12:54 AM Jan 17th:
							admin commented on A Fence for Byteland: We would request all of you to continue the discussion on this question below and ...
					   

							11:06 PM Jan 16th:
							saurabheights commented on Three Different Numbers: @anton: http://www.codechef.com/viewsolution/1717274 why does this code did not wo...
					   

							05:25 PM Jan 16th:
							admin commented on A Fence for Byteland: @vineetpaliwal: We completely agree with most of what you have said. Let me try an...
					   

							01:02 PM Jan 16th:
							anton_lunyov commented on Cucumber Boy and Cucumber Girl: @balakrishnan_v I encourage you to post you explanation as an answer to the editor...
					   

							10:22 AM Jan 16th:
							triplem commented on Cucumber Boy and Cucumber Girl: Very rough sketch of my solution:

[The determinant of (opposite of A*B') is 0] ...