Codechef | CodeChef

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
Block Drop	BLOCKDRO	21	3.72
Complex Spanning Tree	COMPLEXT	112	71.43
Something About Divisors	DIVISORS	7	1.44
Coloring in Hypercube	HPARITY	31	11.92
Infinite Grid Game	IGAME	348	17.28
Shortest Circuit Evaluation	SHORTCIR	20	13.87

The August long Contest has ended!

The Editorials for the contest can be found here.

The Winners Blog post is available here.

The problems have been transferred to the practice section.

Rules:

In case you are a new user, you will need to first register for a CodeChef ID here.

Please do not discuss strategy, suggestions or tips in the comments during a live contest. Posting questions clarifying the problem statement is ok. In case you notice any malpractice or cheating during any contest please email us at feedback@codechef.com

Contest problems will become visible on August 1st 2011 at 15:00 hours 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.

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

Aug 10th, 05:00pm: The August Long Contest has been extended by 24 hours. The contest will end on Aug 12th 15:00(IST)

Aug 10th, 05:00pm: An error was found in the Author's solution for Short Circuit Evluation, the problem statement and test cases for Short Circuit Evaluation have been updated. A rejudge has been started. Accepted Solutions won't be affected.

Rankings are refreshed every few minutes.

RECENT ACTIVITY:

RECENT COMMENTS FOR THIS SECTION:

08:25 PM Aug 12th: rijin commented on Shortest Circuit Evaluation: @gultu or like ths Pr[c]+2*Pr[(1-c)*a]+3*Pr[(1-c)(1-a)*b]=output?

08:22 PM Aug 12th: rijin commented on Shortest Circuit Evaluation: @gultu thax; but still i dnt understand how the value is getting!!

01:51 PM Aug 12th: ankitsablok89 commented on Infinite Grid Game: is there some problem with the judge my solution works fine on test cases provided...

11:47 AM Aug 12th: shine commented on Something About Divisors: ok solved

11:40 AM Aug 12th: shine commented on Something About Divisors: i have doubt about test case please answer b=10 x= 3 : n=1 n*x=3 d=3 count=1; ...

11:32 AM Aug 12th: shine commented on Something About Divisors: i believe that there is some error in your test case see b=10 x= 3 n=1 n*...

08:19 AM Aug 12th: gultus commented on Shortest Circuit Evaluation: I have spent some good 30 hours or so over the span of 4 days on this problem and ...

08:14 AM Aug 12th: gultus commented on Shortest Circuit Evaluation: @rijin when I say you are expected to work out the details it means you will have ...

04:15 AM Aug 12th: rijin commented on Shortest Circuit Evaluation: @gultu & all : In the first test case the best order is c, a, b(desciption). accor...

04:01 AM Aug 12th: rijin commented on Shortest Circuit Evaluation: @gultus man i asked question;

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CodeChef - A Platform for Aspiring Programmers

CodeChef was created as a platform to help programmers make it big in the world of computer programming. At CodeChef we work hard to revive the geek in you by hosting programming contests on a monthly basis. We also aim to have training sessions and events related to online programming for programmers around the world. Apart from providing a platform for programming competitions, CodeChef also has various tutorials and forum discussions to help those who are new to the world of computer programming.

Practice Section - A Place to hone your 'Computer Programming Skills'

Try your hand at one of our many practice problems and submit your solution in a language of your choice. Our judge accepts solutions in over 35+ programming languages. Online programming was never this much fun! Receive points, and move up through the CodeChef ranks. Use our practice section to better prepare yourself for the multiple programming competitions that take place through-out the month on CodeChef.

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CONTEST ENDED.

RESULTS:

RECENT ACTIVITY:

RECENT COMMENTS FOR THIS SECTION: