Footer 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 ArticleWITMATH - Editorial
PROBLEM LINKSPracticeContestDIFFICULTYSIMPLEPREREQUISITESPrimality TestingPROBLEMGiven some N, find the i for which φ(i)/i is the largest among all 2≤i≤N.φ(i) is the Euler Totient Function.QUICK...
View ArticleMSTICK - Editorial
PROBLEM LINKSPracticeContestDIFFICULTYSIMPLEPREREQUISITESRange Minimum Query, Simple MathPROBLEMYou are given N matchsticks arranged in a straight line, with their rearends touching each other. You are...
View ArticleClik here to view.
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 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
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 ArticleProblem with new ratings!
New ratings are not calculated as expected. Adding up gain to last score should be more while its lesser. Anybody else noticed the same?
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 ArticleTREE - Editorial
PROBLEM LINKSPracticeContestDIFFICULTYEASYPREREQUISITESKirchhoff's Matrix Tree Theorem, MathPROBLEMFind the number of Trees that contain k*n nodes, which are labeled from 0 to k*n, such thatThere is no...
View ArticleFTRIP - Editorial
PROBLEM LINKSPracticeContestDIFFICULTYSIMPLEPREREQUISITESSimple MathPROBLEMIn your class of S students, N students are being selected to go on a trip. Your friend circle has M students in the class,...
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...
View ArticleClik here to view.
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
View ArticleClik here to view.
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 Article