DISHLIFE - Editorial
PROBLEM LINKPracticeContestDIFFICULTYsimplePREREQUISITESgeneral programming skillsPROBLEMThere are $n$ islands, and $k$ ingredients numbered from $1$ to $k$. Each island contains some ingredients, let...
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CodeChef Attendance [UPDATED]
Hey There Guys,Hope You all are having a good time. I want to present you another tool which can show you your attendance in CodeChef.This is especially useful for those who want to check their...
View ArticleProblem with ICPC16B Beautiful Arrays
The problem goes as follows : "An array a is called beautiful if for every pair of numbers ai, aj, (i ≠j), there exists an ak such that ak = ai * aj. Note that k can be equal to i or j too." So for...
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KINGSHIP - Editorial
PROBLEM LINK:PracticeContestAuthor:Shiplu HawladerTester:Tasnim Imran SunnyEditorialist:Lalit KunduDIFFICULTY:SIMPLE-EASY PREREQUISITES:Connected GraphTreePROBLEM:Connect all the N(<=10^5) cities to...
View ArticleBITMASK1 - Editorial
Problem Link:PracticeContestDifficulty: CakeWalkProblem: Find the minimum amount to purchase all types of stones.Explanation: The input is N*N matrix. We can consider it as N different arrays. We just...
View ArticleWhy do I get a SIGFPE?
I keep getting SIGFPE error when i try to run my program. Why so?
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CODECHEF Attendance
Hey There Guys,Hope You all are having a good time. I want to present you another tool which can show you your attendance in CodeChef.This is especially useful for those who want to check their...
View ArticleBITMASK2 - Editorial
Problem Link:PracticeContestDifficulty: EasyProblem: Given two vectors, we have to arrange the elements of these vectors in such a way that their dot product is minimum.Quick Explanation: We need to...
View ArticleBITMASK3 - Editorial
Problem Link:PracticeContestDifficulty: Easy-MediumPrerequisites: Binary SearchProblem: Find the maximum number x for which the sum of x natural numbers don't exceeds the litres of water...
View ArticleESSAY FOR SCHOOL
I've got to write an essay about famous algorithms (mostly sorting and searching) in various programming languages (in my case C++ and Pascal, and maybe but very unlikely Java). Can somebody please...
View ArticleBRLADDER - Editorial
PROBLEM LINK:PracticeContestAuthor:Kamil DębowskiTesters:Hasan Jaddouh, Sergey KulikEditorialist:Pawel KacprzakDIFFICULTY:CakewalkPREREQUISITES:Elementary mathPROBLEM:For a given infiniteladder graph...
View ArticleDataBread:TOOL TO TRACK YOUR ALGORITHMIC RATINGS
Hello Coders,I take the pleasure in introducing you to Databread.DataBread is a platform where you can see an aggregate or generalised form of your ratings from major CompetitiveProgramming websites at...
View ArticleQuery related to SNCKQL17
How can i find and invite a team member for the SNCKQL17 contest? Is anyone interested in joining the team and getting solution in Javascript Language?
View ArticlePlaylist to become yellow/red on codechef, codeforces in just few months
Everyone wants to improve as soon as they can and reach the top of the leaderboard so I have found a website/community made by one of the best programmers of India Keshav Dhandhania . It looks that he...
View ArticlePlease delete my SnackDown Team.
Dear Admin, I am really sorry I have to write this on discuss forum. But I have sent more than 25 requests to help@codechef.com regarding deleting my team. Please delete my team with name,...
View ArticleWhat is a Set under the account "My Set"
I have not noticed it so keenly till now, what is a Set under the account "My Set", what is the difference between a Set and a Team.
View ArticlePlease help me with FCTRL and FCTRL2
Hello, First of all thanks for the initative, i am new on this website and enjoy the challenges so far. I have some issues with these 2 beginner problems : FCTRL and FCTRL2. I have browsed the Forum...
View ArticleCodechef Submissions very slow
Is there something wrong with the codechef servers?I'm attempting the May 17 questions and submission is taking around 3-5 minutes. I'm also receive "Internal Error" often. My internet connection is...
View ArticleCannot find option to submit solution in C# for some problems.
In the practice section, I cannot solve some of the problems in C#. And it is not indicated in the languages section. For some problems, I can submit C# code but for others, I can't. What is the...
View ArticleDesigning a graph
Given am array of N integers is it possible to deaign a simple graph of N vertices?.A graph considered simple if it has no self-loop r multi-edges. The condition is that each element of array should be...
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