Why does judge has so many issues?
During any competition may it be codechef, codeforces or any other platform, whenever I use codechef's IDE, most of the times I get a reply "Judge has some issues" and the frustrating part it that it...
View ArticleCan anyone please suggest me some easy dynamic programming problems to start?
Hello everyone,Can anyone please suggest me some good and easy dynamic programming problems to start on HackerRank? Or on Codechef? And please also suggest how to learn dynamic programming. I tried the...
View ArticleHelp for "Baking Business" problem
Hi all,i submitted my code for "baking business problem" - https://www.codechef.com/problems/BAKE It was giving me correct answer for all my test cases but it gives "wrong answer" when i...
View ArticleOnline IDE's input vs local input problem
I participated in the October Cook Off and came up with the correct solution to the third problem, My solution: https://www.codechef.com/viewsolution/15935866 . It gives wrong answer on online judges...
View ArticleHow could I not get TLE (ZCO13003)
This is the problem: https://www.codechef.com/ZCOPRAC/problems/ZCO13003This is my solution: https://ideone.com/cz06mjI seem to pass all test cases except one, the last one! Sorry if I seem to be asking...
View ArticlePLZLYKME - Editorial
PROBLEM LINK:PracticeContestAuthor:Kaushik IskaTester:MahbubEditorialist:Jingbo ShangDIFFICULTY:SimplePREREQUISITES:Programming LanguagePROBLEM:Define F[1] = S, F[i > 0] = F[i - 1] * (C + 1)....
View ArticleEditorials of October Cook-Off '17
Why aren't the official editorials not provided yet? It's been more than 3 days and they are still not out. I am just curious about the solutions, so I am asking. Does anyone know when will the...
View ArticleMTRNSFRM - Editorial
PROBLEM LINK:ContestPracticeAuthor:Alexey ZayakinTesters:Hasan JaddouhEditorialist:Alexey ZayakinDIFFICULTY:EasyPREREQUISITES:Ad-hoc, math, medianPROBLEM:Your are given two $n \times m$ matrices $A$...
View ArticleCSEQ - Editorial
PROBLEM LINK:PracticeContestAuthor:Lalit KunduTester:Sergey KulikEditorialist:Adury Surya KiranDIFFICULTY:EASY – MEDIUMPREREQUISITES:CombinatoricsPROBLEM:Given three positive integers N, L and R, find...
View ArticleENTEXAM - Editorial
PROBLEM LINK:ContestPracticeAuthor:Sergey KulikTesters:Vasya Antoniuk and Kevin AtienzaTranslators:Vasya Antoniuk (Russian), Team VNOI (Vietnamese) and Hu Zecong (Mandarin)Editorialist:Kevin...
View ArticleBest resources to learn JAVA
THIS is the best source to learn java for beginners as well as everyone who want to master java language. Durga sir is a java pioneer and has very good command on the language. He teaches so good that...
View ArticleHow was your journey from 2 star to 6 star on Codechef ?
Share your journey of becoming 6 star from 2 star on Codechef or more generally how you became great from novice in CP. How much knowledge did you have at the very beginning compared to at the end....
View ArticleRGAME - Editorial
PROBLEM LINK:PracticeContestAuthor:Abhra DasguptaTester:Antoniuk Vasyl and Misha ChorniyEditorialist:Pushkar MishraDIFFICULTY:Easy-MediumPREREQUISITES:Ad Hoc, ObservationPROBLEM:Given are $N+1$ numbers...
View ArticleRAJAPR0 - Editorial
Contest:ICO 2018 Practice Contest 1Practice:Practice LinkAuthor:Shashwat GoelTester:Udit SanghiEditorialist:Shashwat GoelProblem StatementGiven a graph with $N$ vertices and $N-1$ edges and $Q$...
View ArticleSPOJ - Problem AGGRCOW - Aggressive cows
I cannot understand how binary search will solve the problem.Problem statement is hereNeed Help! Thanks :)
View ArticleHow to improve the competitive programming scenario in India
Hi CodeCheffers,We want your feedback regarding how to improve the competitive programming scenario in India. The feedback is required for improving not also the levels of lower skilled/rated...
View ArticleEditorials for ATMOS Codejam Qualifiers.
1. STRING MATCHINGPROBLEM LINKContestPracticeEditorialist-Abhishek PandeyPROBLEM DESCRIPTION:Given a main string, you need to find if there are strings with atleast $K$ matches in the input strings....
View ArticleCall for problem setters for keteki.biz
Need problems,Rs. 500 on div 2 250(A), 500(B) topcoder...2 problems required... two probs.If interested please email chandan@keteki.bizThanks!
View Articleketeki.biz: you can now subscribe to upcoming contests
Please follow this link.http://keteki.biz/subscribe/
View ArticleMARRAYS - Editorial
PROBLEM LINKPracticeContestAuthor:Dmytro BerezinTester:Alexey ZayakinEditorialist:Jakub SafinDIFFICULTYEASY-MEDIUMPREREQUISITIESdynamic programmingPROBLEMYou're given $N$ arrays $A_1,\dots,A_N$; the...
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