Editorial request for sereja and brackets from codeforces.
I was solving the problem C. Sereja and Brackets from codeforces, but editorial provided by them is very fast paced, can anyone please explain in detail how this problem will be solved.
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Apparent Bug Codechef Profile
@admin On my profile I am to select on point which I marked on given screenshot.
View ArticleRUNDIR - Editorial
Problem Link:PracticeContestSetter: Alei ReyesTester: Triveni MahathaEditorialist: Triveni MahathaDifficulty:EASY MEDIUMPrerequisites:Binary Search, GreedyProblem:N students are standing at distinct...
View Articlehelp needed in a DP question.
given two arrays, of which one is increasing (not necessary strictly) and other is decreasing(strictly actually it is the index of that element from back)and we have to answer q queries [x, y] in which...
View Articleinfinite series sum
hello guys I want to just ask a mathematical problem here. how can i find the sum of this infinity series. 1+a+a1/2+a1/4+... where 0<a<1 thnxs in advance.
View ArticleGoogle Code Jam Round 1-B 2018 Rounding Error Problem WA
Solution : https://ideone.com/3ZEbaoProblem : https://codejam.withgoogle.com/2018/challenges/0000000000007764/dashboardMy approach was simple if language was rounded up simply use rounded up value else...
View ArticlePossible bug in rating change
https://www.codechef.com/users/mehal Look at april cook-off rating change. How can one get a positive rating change of 171 on getting such low rank? I think it's a bug.
View ArticleThings to do in summer vacation
What should i do in summer vacation of 2 months? what are the best thing to learn in summer to improve my coding skill? i'm a begineer:-
View ArticleTwo vs Ten (TWOVSTEN) Video Solution
Video solution can be found here: https://youtu.be/CvJz_RgTYgU?t=1m41s
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[Script] Filter submissions status based on score
Hello fellow coders,As you all know, looking at the status (Time and Memory) of successful submissions gives a good hint about the expected Time/Memory complexity. But often there's a lot of...
View ArticleEditorial request for solving kquery problem from SPOj
Can anyone provide detailed editorial to solve KQUERY - K-query problem from SPOJ.This problem has one editorial on codeforces I have already looked into it but found it very fast paced and didn't...
View ArticleCodechef Contests regular reminders
Right now, I need to place reminders for every contest I wish to participate. I miss many contests at times, because I don't check codechef that regularly. Won't it be better that codechef sends...
View ArticleFew Suggestions maybe ?
I was thinking that maybe the setter and testers can comment their code so that we can understand what the particular implementation is doing. Its frustrating to read the editorial and not...
View ArticleNot a simple sum!!!!
i am trying this question from past few days but it keeps getting TLE.Even the previous solutions are hard to understand.any kind of help is appreciated.Thanks in advanced......
View ArticleHow do I win a CodeChef Goodie?
I want to know how can I get a CodeChef goodie? In which monthly contests, how many goodies are given? Does CodeChef also give certificates to the winners?
View ArticleAVGPR - Editorial
PROBLEM LINK:Div2PracticeSetter-Anuj MaheshwariTester-Misha ChorniyEditorialist-Abhishek PandeyDIFFICULTY:SimplePRE-REQUISITES:Array, Looping, Basic Math and Principles of Counting, Frequency...
View ArticleSeparate section for editorials only.
Shouldn't there be a separate section for the editorials? The "questions" tab should list only the questions, and not the editorials.As for now, the "Recent Questions" section in the CodeChef homepage...
View Article[suggession] Sort by points
@admin, Please add sort by no of points on All submissions page of a question.This feature is really helpful when we want to see highest scorer points for challenge problem. When we have a question for...
View ArticleWA in GALACTIK Please Help!
Checked all previous links in the forum for this question... but unable to debug... I'm doing dfs to find min tax val node in each component(val>=0) and then using it to construct optimum edges. WA...
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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-->...
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