TENNIS - Editorial
PROBLEM LINK:ContestPracticeAuthor:Istvan NagyTester:Suhash Venkatesh and Kevin AtienzaEditorialist:Kevin AtienzaPREREQUISITES:Probability, dynamic programmingPROBLEM:There are $N$ righties and $M$...
View ArticleCKISSHUG - Editorial
PROBLEM LINK:PracticeContestDIFFICULTYSIMPLEPREREQUISITESSimple Math, Repeated SquaringPROBLEMHow many sequences of 0s and 1s (0 meaning a hug, 1 meaning a kiss) of length N are possible, such that...
View ArticleTRISQ - Editorial
PROBLEM LINK:PracticeContestAuthor: Devendra Agarwal Tester: Anudeep Nekkanti Editorialist: Amit PandeyDIFFICULTY:Cakewalk.PREREQUISITES:Basic geometry, recursion.PROBLEM:Find the maximum number of...
View ArticleHELP : Game Theory / Grundy Number
I am trying to solve this problem :http://www.spoj.com/problems/MATGAME/I read all the available entries. I can't figure out where is mistake in my code.Strategy used:Calculated grundy value for each...
View Articleeditorial provided by codechef not usefull for begineers
i wanna say that the begineers rating(1000-5000) can easily understand the first 4 to 5 problems but after that they struck even after reading the editorial .myself always found difficulty to...
View ArticleWhat are karma points?
I am new to this karma system, Can you explain me why is it called so? What has karma points got to do with contribution?
View ArticleWhen the Editorials of SNCKEL16 will be served ?
I am eagerly waiting for the editorials of Snack-down elimination round 2016 (with no cakewalk question :P ) Please tell me till when it will be published.
View ArticleCOUNTREL - Editorial
PROBLEM LINKSPracticeContestDIFFICULTYEASYEXPLANATIONPart 1 closed form: (3^n+1)/2 - 2^nPart 2 closed form: 2*4^(n-1) - 3^n + 2^(n-1) + 2^n - (3^n+1)/2 The answer (for both 1 and 2) is in the form of a...
View ArticleData Structures and Algorithms
Hi all, I need your help to make a list of most used data structures and algorithms along with their tutorials, implementation and some problems on them. It will be helpful to everyone in many ways. I...
View Article-1.00 execution time in tiebreaker question
When do i get a execution time of -1.00 ? What does it mean ? The verdict is still the wa but what does -1 signify in execution time?
View ArticleGuys any one has idea about the CommVault systems 7 hours coding round.it was...
I have cleared the first 2 rounds of CommonVault systems interview process.Next round is a 7 hours coding round which is completly about virtual file system implementation. I am a newbie to that...
View ArticleCHSQARR - Editorial
PROBLEM LINK:ContestPracticeAuthor:Vasya AntoniukTesters:Istvan NagyEditorialist:Praveen DhinwaDIFFICULTY:mediumPREREQUISITES:partial sums, dequeue, dynamic programmingPROBLEM:You are given 2-D matrix...
View ArticleTLG - Editorial
PROBLEM LINK:PracticeAuthor:ADMINEditorialist:SUSHANT AGARWALDIFFICULTY:EASYPREREQUISITES:Basic looping,ArraysPROBLEM:At the end of each round the leader and her current lead are calculated. Once all...
View Articlefor begineers editorial provided by codechef not usefull
i wanna say that the begineers rating(1000-5000) can easily understand the first 4 to 5 problems but after that they struck even after reading the editorial .myself always found difficulty to...
View ArticleLOWSUM - Editorial
PROBLEM LINK:PracticeContestAuthor:Vineet PaliwalTester:Roman RubanenkoEditorialist:Jingbo ShangDIFFICULTY:EASYPREREQUISITES:Sort, Priority Queue, Binary SearchPROBLEM:Given two arrays A[1..K],...
View ArticleLADDU - Editorial
PROBLEM LINK:ContestPracticeAuthor:Praveen DhinwaTester:Kevin AtienzaTranslators:Sergey Kulik (Russian), Team VNOI (Vietnamese) and Hu Zecong (Mandarin)Editorialist:Kevin...
View ArticleONEKING - Editorial
PROBLEM LINK:PracticeContestAuthor:Snigdha ChandaTester:Shiplu HawladerEditorialist:Lalit KunduDIFFICULTY:EASY-MEDIUM PRE-REQUISITES:GreedyPROBLEM:Given N (≤100000) intervals [Ai, Bi], one such...
View ArticleAMR15A - Editorial
PROBLEM LINKPracticeContestPanel MembersProblem Setter:SuhashProblem Tester:Editorialist:Sunny AggarwalContest Admin:Russian Translator:Mandarin Translator:Vietnamese Translator:Language...
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