Invitation to CodeChef January Cook-Off 2019 sponsored By ShareChat
Greetings CodeChef community!I invite you to participate in CodeChef’s January Cook-Off 2019 sponsored by ShareChat*. This short contest lets you solve 5 problems in 2.5 hours. The contest problem...
View ArticleIs there any formula to calculate nth fibonacci number ?
Suppose we are given, a(0)=x ; a(1)=y and the relation, a[i]=a[i-1]+a[i-2] and , we are asked to calculate a(n) , how to calculate it if n is as big as 10^9 ?Thanks ! :-)
View ArticleEARTSEQ QUESTION
https://www.codechef.com/viewsolution/22395844WHAT IS WRONG IN MY CODE??
View ArticleImplementation of Dijkstra's Algorithm using set data structure in C++
I was trying to implement Dijkstra using set data structure in C++. I was coding in C++14 and there seems to be something out of order in the code for it is not giving me the right answer in Codechef...
View ArticlePrevious CCDSAP exam questions
Where can I find all the previously conducted CCDSAP exam questions?
View ArticleHow to implement Pair Class in Java?
Is there any inbuilt library for pair class in java like in c++? If nor how to we implement pair class in java and how can we do pair sort with respect to first element and pair sort with respect to...
View ArticleRegarding JavaFX Library error.
when we import JavaFX library in codechef IDE.it was showing a syntax error.How can we rectify this one??
View ArticleRECTSQ, am I unable to understand?
https://www.codechef.com/problems/RECTSQMy Code:#include <stdio.h> int ans; int finder (int a, int b) { if(b > a) { a += b; b = a-b; a = a-b; } int k = a/b; ans += k; if(a-(k*b))...
View ArticleKINGCON - Editorial
PROBLEM LINK:PracticeContestAuthor:Jay PandyaTester:Hiroto SekidoEditorialist:Anton LunyovDIFFICULTY:EASYPREREQUISITES:Biconnected componentsPROBLEM:Getting rid of the story line the problem simply...
View ArticleNeed your help! YVMUN
I cant understand why i am getting wrong answer in YVNUM. I matched all testcases and corner cases that i can think of ..with the testers solution and my solution ..all are hiving same...
View ArticleGMEDIAN - Editorial (Unofficial)
PROBLEM LINK:Div1Div2Setter:Teja Vardhan Reddy Editorialist: Utkarsh PandeyDIFFICULTY: EASYPRE-REQUISITES: Observation, Binomial Coefficients.PROBLEM: Given a sequence A1,A2,…,AN. Find the number of...
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GetCode Codechef/Codeforces/SPOJ plugin for Sublime Text 3
GetCodeThis is an ST3 plugin which:Take the URL of a problem such as https://www.codechef.com/problems/INVLIS.Parse the URL and get the problem code(In this case it is INVLIS).Create a new .cpp or .py...
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Invitation to RATED Contest(Div1+Div2) Enigma on Codechef, 10 January 2019
Hello, CodeChef community,Tired of searching for the perfect teammates in every competition? Want to prove your worth as a solo coder? Looking for the perfect platform to display your skills?This solo...
View ArticleGetting java NZEC error on codechef compiler
Guys i am trying to solve the DAG Delete problem of December contest. My code runs perfectly fine on my computer and i have tested it for multiple cases. I have also made sure that everything is...
View ArticleWhy doesn't Codechef put editorials of all problems !
Is there nobody answerable to providing editorials of contest problems. Let go other open and unrated contests, we are talking about monthly rated contests. Several times the editorials don't appear...
View ArticleMySql database creation
Need help how to create database in mysql via chef .Iam able to install mysql and now i need to create database i don't know the syntax how to create database.Thanks .
View ArticleDIFNEIGH - EDITORIAL
PROBLEM LINK:PracticeContest: Division 1Contest: Division 2Setter:Evgeniy ArtemovTester:Xiuhan WangEditorialist:Taranpreet SinghDIFFICULTY:Easy-MediumPREREQUISITES:Pigeonhole principle, Constructive...
View ArticleHelp for SEACO
hi , i am not able to find out whats wrong in my solution for the problem "Sereja and Commands"(https://www.codechef.com/problems/SEACO ) . I am implementing a fenwick tree approach , in which i am...
View ArticleRatings are just unfair..!!!
Ratings are just unfair..!!My rating before(this and JAN Challenge) is 1484.And after this challenge +83.So 1567.And it is reverted back to 1484.Due to running of JAN Long challenge.And after long...
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A big bug in Rating system..!!!
Here,It is my rating graph for Jan Long Challenge 2019(Div.2),And see my rating inc. by 14.So which becomes 1581.And my Rank was 2673.And this is Another graph of the person from same rank list,which...
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