CHEFHPAL - Editorial
PROBLEM LINK:PracticeContestAuthor:Hanlin RenTester:Istvan NagyEditorialist:Oleksandr KulkovDIFFICULTY:MEDIUMPREREQUISITES:Brute forcePROBLEM:Using only $A$ first latin letters, construct a string of...
View ArticleLVGFT - Editorial
PROBLEM LINK:PracticeContestAuthor:Zain AliTester:Istvan NagyEditorialist:Oleksandr KulkovDIFFICULTY:MEDIUMPREREQUISITES:DSU (Disjoint Set Union)PROBLEM:You are given a tree on vertices $1,2,\ldots,N$....
View ArticleWeek of Code 35 Lucky Purchase Help
I had participated in Hackerrank Week of Code 35 and came across this question. I couldn't get full points on this as it showed segmentation fault while evaluation. But, when the editorials came out, I...
View ArticleUnofficial Editorials November Long Challenge (Part 2)
Hello GuysI have divided problems into posts according to difficulty. Hope u all don't mind this. ;)This is the part 2 of two posts of unofficial editorials for November Long Challenge.For editorials...
View ArticleHow to solve second problem STDDEV of acm icpc online round
Pleas explain the solution of STDDEV
View ArticleDec16 long challenge official editorial ?
Can anyone provide the editorials to the problems of DEC16 LONG ?Are the official editorials to the same missing ?
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A tutorial on Fast Modulo Multiplication (Exponential Squaring)
Hello @all,This tutorial will cover the topic of Fast Modulo Multiplication (also known as Exponential Squaring or Repeated Squaring).This is a very useful technique to have under your arsenal as a...
View ArticlePrompting the user to fill the already created linked list c++
I'm trying to fill the already created linked list by traversing the linked list and then fill each node data with the user input but for some reason after 1040 times it stops asking further values....
View Article@vijju123 @utkarsh1997 Prompting the user to fill the already created linked...
@vijju123@utkarsh1997I'm trying to fill the already created linked list by traversing the linked list and then fill each node data with the user input but for some reason after 1040 times it stops...
View ArticleWhats the next procedure after selection for Chennai Onsite? Where to confirm...
Please post any updates you get here.
View ArticleWhen will ZCO 2018 results be published ?
Its been almost 10 days since ZCO 18, there was some unofficial info that the results will be published after 10 days. Hence when are the results expected to be out ?
View Article"I want to ask a question" - Ask them all here!
Hello guys,As you all are aware, many times there are genuine users who wish to ask a question, but dont have karma for it. They then, have to resort to means of either asking their question in other...
View ArticleOPTSSET - Editorial
PROBLEM LINK:PracticeContestAuthor:Trung NguyenTester:Oleksandr KulkovEditorialist:Oleksandr KulkovDIFFICULTY:MEDIUMPREREQUISITES:DP optimizationsPROBLEM:You're given convex polygon $p_1, \dots, p_n$...
View ArticleGetting TLE
Problem:- DIGJUMPPlease help me in optimizing this code which uses BFS to find the shortest distance between start and end vertices.My code:- Solution
View Articlewrite a program to generate unique substrings(contains only unique...
please suggest efficient solution.
View ArticleWSITES01 - Editorial
Problem LinkPracticeContestAuthor:AzatTester:Pawel Kacprzak and Misha ChorniyEditorialist:Bhuvnesh JainDifficultyEASY-MEDIUMPrerequisitesTries, State TransitionsProblemYou are given a list of websites,...
View ArticleHelp in IPCTRAIN
i am unable to understand author's solutionlink to the problem:-https://www.codechef.com/problems/IPCTRAINhere is the author's...
View ArticleStopStalk: Tool to maintain your algorithmic progress
Hello Coders,Hope you are having a great time coding hard. Here I present to you a Utility tool - StopStalk which will encourage you to keep your algorithmic progress going by coding with your friends...
View ArticleDoes threading really work's in speeding up our solution. (Trying for a hack...
I don't know much about threading. I just want to ask does using threading technique make our solution faster.
View ArticleBeginner/NITIKA - python 3.5 - need some help
Hello guys! Could you please tell me what's wrong with my code? It looks to work well, but CodeChef says my answer is wrong.Thanks!My solution / Problem link
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