A green mark for solved practice problems
The practice section of Codechef has lots of problems, specially "easy" ones. So the people who want to practice problems, find it hard to keep track of which problems he/she has solved, and which...
View ArticleTime limit problem for Alien Chef.
I wrote a program for Alien chef problem today. The concrete concept of the problem is clear, but I am wondering why I always got time exceeded. Here are my codes, can anyone help me to solve this...
View ArticleBluetooth Programming in Java
I want to code a Java program which will interact with my PC's bluetooth adapter and subsequently and input which I give through my program will be sent to another remote bluetooth device through my...
View Articlecompute a^b^c mod p
found this problem in a book to compute a ^ b ^ c mod p where p is prime and a, b, c are long longs.what can be the best way??
View ArticleEnormous input Test Code question
Here is the link to the question asked:http://ww2.codechef.com/problems/INTEST/This is my code for the solution: #include<iostream> typedef long long ll; using namespace std; int main() { ll...
View Articlemax volume
how to find max volume of the given box.. ??? http://ww2.codechef.com/problems/J7
View ArticleWhere are some editorials?
I don't understand why the editorials for some problems (probably harder) are missing? first exxample from april challenge - http://ww2.codechef.com/APRIL13/problems/STRQUERY - and for this month I'm...
View ArticleWhat's wrong in this approach for Field Trip problem?
I got the following formula for finding the probability: (s-k-1 C n-k-1) * (m-1 C k) / (s-1 C n-1) I calculated the above result using Bayes theorem: P(Alice|k) = s-k-1 C n-k-1 / s-k C n-kP(k) = (m-1 C...
View ArticleField Trip May Challenge 2013
May 2013 Challenge field Trip problem.Problem statement hereGetting a runtime error for this code : My code hereThe code runs properly and gives correct output on my computer. But getting a runtime...
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Access Denied for all problems!
I was just surfing to read the problem statement, and Codechef welcomed me with an Access Denied page.Same in the Practice zone
View ArticleYour name is mine
what is wrong with the code? http://ww2.codechef.com/viewsolution/2130155
View ArticleFooter link broken Ceo's-Corner
@tojochacko the footer link leading to Ceo's Corner says access denied when i tried to access it. please fix it
View ArticleMarking solved problems not working in MAY 2013 contest (1.4)
I realized that my Chrome extension is not working in MAY 2013 long contest...related to - http://discuss.ww2.codechef.com/questions/3011/a-green-mark-for-solved-practice-problems
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Suggestion: Limit the number of submissions for the challenge problem
Due to the nature of the challenge problem, many coders submit the same code a LOT of times This not only overloads the test server, but also reduces the response time for other users...
View ArticleJUNONGF - Editorial
PROBLEM LINKSPracticeContestDIFFICULTYEASYPREREQUISITESMath, Repeated Squaring, Fermat's Little TheoremPROBLEMYou are given a N dimensional hyper rectangle. You have to fill each cell in the hyper...
View ArticleField Trip ,getting TLE
http://ww2.codechef.com/viewsolution/2159135 . Can any one please tell me why this solution is getting TLE. I am new to python so any help is most welcome. I have seen some solutions following the same...
View Articleeditorials for QTREE and CPP?
Is there any place where I can find them or there are not ready yet.
View ArticleMisbehaviours in May Challenge to be reported here
As the long May Challenge started and so has the cases of unfair means over some famous forums and what not! People have already started asking for help on various forums, for example:Here (Link...
View Articlemay -13 rankings
when will the rankings be updated, usually it is updated by half hour from the time the contest ends.
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