Multiple Choice Questions Related To Testing Knowledge about Time and Space...
Hi fellow programmers,We are trying to create a multiple choice quiz for space and time complexity of the programs related questions. Here are a set of 20 questions we collected. Please feel free to...
View ArticleWhy is my recursive solution of this(link given) spoj problem giving me WA?
I was doing this spoj problem and written tabulation method which got accepted, then I wrote recursive solution but this gave me the wrong solution(WA), Where is my recursive solution is wrong:-my...
View ArticleCHEFPAR- Editorial
PROBLEM LINK:Div1Div2PracticeSetter-Misha ChorniyTester-Misha ChorniyEditorialist-Abhishek PandeyDIFFICULTY:CHALLENGEPRE-REQUISITES:Varying. Challenge problem is usually an application of your skills...
View ArticleGOODPREF -Editorial
PROBLEM LINK:Div1Div2PracticeSetter-Praveen DhinwaTester-Misha ChorniyEditorialist-Abhishek PandeyDIFFICULTY:EASYPRE-REQUISITES:Strings, Basic Math, Simulation. PROBLEM:Given a string $S$ , with only...
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Not Able to Answer any Question on codechef discuss forum ? why? plz help
I am asking this Question on Behalf of my friend anju98 because she have only 1 karma point(due to strict rules of codechef she is not able to ask her doubts).. other than that, Main problem is-->...
View ArticleInvitation to CodeChef April Lunchtime 2018!
Hello Fellow Coders!The month of April held a special significance in the programming world, with the ACM-ICPC World Finals crowning a new world champion. So how about you cap off this brilliant month...
View Article[LOCAPR18] Unofficial Rank List.
@admin Can we have an official rank list. Which includes people from div1 also. So that we can see our standings.And One more hypothetical situation - If a person moves from div2 to div1 after change...
View ArticleHelp needed in getting A/C in frequent values problem from spoj?
Problem link :- FREQUENT - Frequent valuesThis is My Solution, I am getting TLE even after using fast I/o, anyone please help me in getting TLE in this problem. The problem is based on segment...
View ArticleEURON - Editorial
PROBLEM LINK:Euron ProblemPracticeContestAuthor:Bhaumik ChoksiTester:Dipen VedEditorialist:Bhaumik ChoksiUnder KJSCE CODECELLDIFFICULTY:EASY-MEDIUM.PREREQUISITES:Divide and ConquerPROBLEM:Euron loves...
View ArticleWhy Pushkar Mishra's profile is suspended?
May I know why Pushkar Mishra's account is suspended? Is suspension an automated process, or is it done manually? Is it possible for me to suspend my account for a desired time period and then...
View ArticleWrong judgement for GCDDIV in April Lunchtime
Question is related to April Lunchtime 2018.The problem code is GCDDIV I found two submissions which got 100 points One is https://www.codechef.com/viewsolution/18380850and the second is...
View ArticleWrong judgement for GCDDIV in April Lunchtime
Question is related to April Lunchtime 2018 The problem code is GCDDIV I found two submissions which got 100 points One ishttps://www.codechef.com/viewsolution/18380850and the second is...
View ArticleHelp in solving Running Median Again from SPOJ
Help me in solving RMID2 - Running Median Again problem from SPOJ.
View ArticleHelp in question TREE3: April LunchTime
I tried out the problem https://www.codechef.com/problems/TREE3 from April 18 LUNCHTIME. Can anyone help me to find out where I am going wrong. I used BFS to find out the count of each node in the tree...
View ArticleA good way to learn algorithms?
I am able to solve only 3 or 4 problems in long contests. I don't know much algorithms, so it is hard for me to solve more problems.I have solved many easy problems on codechef. Now, solving medium...
View ArticleHow to begin preparing algorithms?
I am in 2nd year of CS but in our curriculum we have algorithms in 3rd year and data structures currently. But I wish to prepare them now as I have much time which I don't feel would be there in 3rd...
View ArticleHow to become a good coder with good problem solving skills??
I want to learn coding, can anyone please suggest me, from where can I study for the same?
View ArticleNeeded help in learning modular arithmatic
I have trying to learn modular arithmatic by solving various problems such as power series sum with modulo and other similar kind of problems involving algebra,combinatorics and modular arithmatc,but...
View Article[Unofficial Editorial] PALLIND from LOCAPR18
Note:This is my first editorial and i am still a noob in first year of my college so please forgive me for any mistakes.Also suggestions are welcome.Contest...
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