Lonesome Student
Problem Link: https://www.codechef.com/CDSO2016/problems/YULESITDifficulty: MediumPre-requisites: Data structures Problem 1: It’s the time of YULE BALL! All students of Hogwarts are ready with their...
View ArticleMake It To Work
Problem Link: https://www.codechef.com/CDSO2016/problems/MKWRKDifficulty: MediumPre-requisites: Sorting Problem 2: There is a company having E employees working in town T that you work for. The...
View ArticleTruth and Lie
Problem Link: https://www.codechef.com/CDSO2016/problems/TRALDifficulty: Medium Problem 3: There are two cities namely Truthtown and Liarville on the distant isle of Googlia. People living in Truthtown...
View ArticleCodechef Goodies!
Hey @admin, Today I got the mail stating codechef goodies site is now active but there are only few goodies there, Is there a possibility of addition of more goodies such as shirts, etc.?
View ArticleCodeChef server
Why was the CodeChef site very down today the judge was also very slow and was taking to much time to judge the solutions also there was problem logging to the site there were too many HTTP error...
View ArticleHas the official editorial for Big Query in October Challenge released yet?
I wanted to understand this question's 2nd query with segment tree lazy propagation.Thanks.
View ArticleSubmission page bug
Hello, I recently tried to submit a solution to BGQRS in the easy section. However, I am not able to select c++14 as a language option on the page where we submit code. The dropdown menu is empty. I...
View ArticleWHERE ARE THE SITE WISE RANKINGS OF ACM ICPC Regionals RELEASED??
During the contest we were able to see the notifications of the link for ranklist, but we were busy then. Could someone please the post ranklist link for each regional site!! Thanks in advance :)
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...
View ArticleProblem with Chef and Bipartite Graphs ICPC16F
I'm getting wrong answer for the problem Chef and Bipartite graphs ICPC16F. Can anybody provide input for which it will fail ?Thanks in advance.Question...
View ArticleICPC Questions and Solutions
@admin Please move the ICPC Questions to practice section and also make the solutions visible.
View ArticleRequest to Move Recent Competition Questions to practice section
Many a times we solve questions just after the contest ends, or maybe later. If the questions are not moved to practice section, we will never be able to evaluate our code. So its a polite request to...
View ArticleProgramming Tutorials
Hi,I've written few blog entries to provide some useful resources and problems to solve to help people get comfortable with the concepts. Check out them here : Dynamic ProgrammingSegment TreesSieves —...
View ArticleMIKE2 - Editorial
PROBLEM LINKSContestPracticeAuthor: Constantine SokolTester: Roman RubanenkoEditorialist: Praveen Reddy VakaDIFFICULTY:simplePREREQUISITES:Greedy AlgorithmsHINTSort the array and see if you can figure...
View ArticleDifficulties in Upsolving Contest Questions after any contest (Specially ACM...
Hey there, I have been doing CP for about 4-5 months now. Till now I have been solving questions that require almost direct algorithms and other approaches. However, there are many times when I am not...
View ArticleCHEFTWOS Editoral
Qstn:https://www.codechef.com/OCT16/problems/CHEFTWOSSolution:https://discuss.codechef.com/questions/86208/cheftwos-editorialI have read the editorial many times but I can't understand 2nd step that is...
View Article[Outdated] How does the karma system work?
Can you briefly explain how this karma system works?
View ArticleICPC Regional wise list of probable qualifying teams.
ICPC Regional wise list of probable qualifying teams. The above mentioned file contains list of all probable teams which will be selected for the respective regionals. The data has been fetched from...
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