SUMDIS - Editorial
PROBLEM LINK:PracticeContestAuthor:Hanlin RenTesters:Sergey Kulik, Kamil DębowskiEditorialist:Pawel KacprzakDIFFICULTY:HardPREREQUISITES:Divide and conquer, sweep line/segment treePROBLEM:$G$ is a...
View ArticleDynamic Programming : Create iterative solution
How do I create an efficient Dynamic Programming iterative solution if I can develop a recursive solution for the same?Edit 1: I have seen several problems on spoj where I can design a recursive...
View ArticleFAVGAME - Editorial
PROBLEM LINK:PracticeContestAuthor:Alexey ZayakinTesters:Sergey Kulik, Kamil DębowskiEditorialist:Pawel KacprzakDIFFICULTY:MediumPREREQUISITES:Trees, dynamic programmingPROBLEM:The goal of the problem...
View ArticleANUMLA - Editorial
PROBLEM LINK:PracticeContestAuthor:Anudeep NekkantiTester:Constantine SokolEditorialist:Florin ChiricaDIFFICULTY:EasyPREREQUISITES:greedy, heaps (or STL multiset)PROBLEM:You have an unknown set of...
View ArticleBANDMATR - Editorial
PROBLEM LINK:PracticeContestAuthor:Praveen DhinwaTesters:Sergey Kulik, Kamil DębowskiEditorialist:Pawel KacprzakDIFFICULTY:SimplePREREQUISITES:Basic matrix knowledge, basic programmingPROBLEM:The the...
View ArticleMulti-dimensional Dynamic Programing
How I will know in this problem Multi-dimensional dp is used ?
View ArticleSCHEDULE - Editorial
PROBLEM LINK:PracticeContestAuthor:Hasan JaddouhTesters:Sergey Kulik, Kamil DębowskiEditorialist:Pawel KacprzakDIFFICULTY:EASYPREREQUISITES:Binary searchPROBLEM:For a binary string $A$, let's define a...
View ArticleWhat will happen internally when we define a class and its object?
Please tell me - What will happen internally when we define a class and its object?
View Articlequery regarding new prize
Hello everyone...few days back I enquired admin about 100% attendance reward listed in new prize category. I want to know whether partial score will be included in solving a problem(at least 1 problem)...
View ArticleAndroid Development
I want to learn Android Development. I tried official site but it's hard to learn from there. Does anyone know from where I can access video lectures or step-by-step tutorials to learn android dev.?
View ArticleKGOOD - Editorial
PROBLEM LINK:ContestPracticeAuthor:Kevin AtienzaTesters:Sergey Kulik and Vasya AntoniukTranslators:Sergey Kulik (Russian), Team VNOI (Vietnamese) and Hu Zecong (Mandarin)Editorialist:Kevin...
View ArticleWhy do I get a SIGFPE?
I keep getting SIGFPE error when i try to run my program. Why so?
View ArticleMIXFLVOR - Editorial
PROBLEM LINK:ContestPracticeAuthor:Hasan JaddouhTesters:Kamil DebowskiEditorialist:Hasan JaddouhDifficulty:Medium-hardPrerequisites:Gaussian-elimination, two pointers, two stacks trickProblem...
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 ArticleCHEFVOTE - Editorial
PROBLEM LINK:ContestPracticeAuthor:Praveen DhinwaTester:Kevin AtienzaEditorialist:Kevin AtienzaPREREQUISITES:Graphs, ad hoc, digraph realizationPROBLEM:Each person votes for another person. Let $c_i$...
View ArticleHow to find the number of set bits in large numbers ?
By 'Large', I mean numbers containing up to 10^4 digits. I have tried doing it by converting the number to binary, digit by digit (representing numbers as a vector of bits), so I multiply the current...
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 Articlefeb. long challenge 2017
Just saw video tutorial and tried to implement MFREQ question... can anyone tell me what am I missing at? here is my code:include <bits stdc++.h="">using namespace std;int main() {int n,m;...
View ArticleCODEZILLA question
https://www.codechef.com/COZI2017/problems/COZIA how this solution is get accepted??-https://www.codechef.com/viewsolution/13096241 May be the pair is exist between 1st and last element then this...
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