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Hackerearth AVI Hiring Challenge
Hey,Can somebody help with this problem?Expected Solution - O(n)
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Someone Please explain the difference between these two solutions for...
These are my two solutions for the question Compression Algorithm.I cannot understand the difference between the 2 solutions. Note: THe expected precision was 10^-6.
View ArticleRegarding codechef being too slow
Noticed codechef was too slow on submissions, happened with everyone out there. Yes the submission time is noted, but the time we wait to see if its correct so that we can proceed to the next question...
View ArticleSolutions for CLRS 3rd edition.
I am currently reading Cormen's famous Introduction to Algorithms book. However, I do not have a resource where I can verify my solutions to the exercises. I've tried to find something on Google, but...
View ArticleWrong Judgement Regarding Compression Algorithm (ICPC 2017)
Issue :Wrong Judgement Regarding Compression Algorithm (ICPC 2017)We have checked our code against an AC code of my friend on many randomly generated test files and checked the absolute error of 10^-6...
View ArticleAllotment of seats in ACM ICPC Amritapuri Regionals
Does anybody have any idea of how the seat allotment procedure will go for Amritapuri site? This year Amritapuri site has only 250 seats. If we see last year's stats, there were 251 distinct...
View ArticleInvitation for Execute 17.2,JIIT Noida
Codechef community,We invite you to take part in Execute 17.2 (Prizes worth 35k :p ) . The qualifiers would be held on 7th,Nov 2017 on techgig platform . Register here at Formand at the official...
View ArticleIs CodeChef Discuss Forum really helpful??
I am from a college who doesn't have any coding culture. In fact, I am the only one who is more into the competitive programming. I don't have anyone to guide me or help me in college. When I was a...
View ArticleOctober Lunchtime 2017
Unable to get the logic behind this question ........ problemCan somebody tell the logic behind this problem it was asked in October Lunchtime 2017 . Thanks in advance :)
View ArticleNeeded Iterative version of bitmask-dp for problem T-Shirts
The editorial of this problem Little Elephant and T-Shirts has the recursive version of bitmask dp. Can anyone please help in having the iterative version of bitmask-dp for the same problem.
View ArticleThe top 5 contibutor's should also receive laddus !!!
Has the laddu system for top 5 contributors removed from the month octeber 2017 and onwards.@admin is it true ?
View ArticleTYTACTIC - Editorial
Problem Link:PracticeContestDifficulty:SimplePre-requisites:dfs, range sum queriesProblem:You are given a rooted tree T, associate with each vertex v a weight skill[v]. Also given are a set of queries...
View ArticleRange Update in BIT
Is it possible to update a range in Binary Indexed Tree...?? I want this to solve the http://www.codechef.com/problems/FLIPCOIN problem using Binary Indexed Tree(BIT).
View ArticleBIT - Range update and point query
I read this article - KartikKukreja's blog. I clearly understood the point update and range query,but couldn't understand the range updates. For updating the range a to b , the following code is used -...
View ArticleRAINBOWA - Editorial
PROBLEM LINK:PracticeContestAuthor:Dmytro BerezinPrimary TesterPrateek GuptaEditorialist:Hussain Kara FallahPROBLEM EXPLANATIONA rainbow array of n elements follows the form {1 (repeated a1 times), 2...
View ArticleLIKECS02 - Editorial
Problem LinkPracticeContestAuthor:Bhuvnesh JainTester:Hasan JaddouhEditorialist:Bhuvnesh JainDifficultyEASYPrerequisitesMaths, Looping Techniques, Constructive AlgorithmsProblemConstruct an array of...
View ArticleCHEFFA - Editorial
PROBLEM LINK:PracticeContestAuthor:Dmytro BerezinTester:Prateek GuptaEditorialist:Hussain Kara FallahPROBLEM EXPLANATIONChef has an array consisting of N elements. Chef may pick any 2 adjacent elements...
View ArticlePlease help in this past ICPC problem
problem link : https://icpcarchive.ecs.baylor.edu/index.php?option=com_onlinejudge&Itemid=8&page=show_problem&problem=6083my solution : https://ideone.com/vrUUHpit is simple brute force but...
View Article"I want to ask a question" - Ask them all here!
Hello guys,As you all are aware, many times there are genuine users who wish to ask a question, but dont have karma for it. They then, have to resort to means of either asking their question in other...
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