RRSTONE - Editorial
PROBLEM LINK:PracticeContestAuthor:Roman RubanenkoTester:Sergey KulikEditorialist:Lalit KunduDIFFICULTY:SIMPLE PREREQUISITES:AD-HOC PROBLEM:K times, following operation is done on a array A1,A2...AN:...
View Articlerequest on EDITORIALS....
A small request on EDITORIALS, that is before presenting the algorithm to the problem in EDITORIAL just explain the algorithm or logic of the problem by taking a small example like what they do in...
View ArticleWHICH IS THE BEST PLACE FOR PRACTICE??..help
please tell me which competative site is best for practicing?? i m fedup practicing in codechef..i m spending days on problems to find errors and posting doubts without replies.... lot many proplems i...
View ArticleTLE in forgetpw help please!
Everything working fine, with my JAVA code for forgetpw, but its giving TLE. I have replaced Scanner with bufferstream and tokenizer, still the same problem..... Please help. I am giving up.
View ArticleRuntime Error
Hi, Can you pls check this if there is any runtime error in this program (in codechef complier c gcc 4.8.1 i am geting run time eeror). also let me know how to submit the ans in chefcode.June context...
View ArticleWhere does my solution fail?
Which case is my solution failing in? Can't seem to figure this one outhttp://www.codechef.com/viewsolution/4069045
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College wise ranking on contest page
Hello friends, As everyone might be knowing already about Codechef college wise ranking website present on www.okrdx.com. Here is it's Chrome plugin, now you can just see ranks without going anywhere...
View ArticleMSTICK - Editorial
PROBLEM LINKSPracticeContestDIFFICULTYSIMPLEPREREQUISITESRange Minimum Query, Simple MathPROBLEMYou are given N matchsticks arranged in a straight line, with their rearends touching each other. You are...
View ArticleDifference b/w cookoff, lunchtime, and challenge
Is there any difference b/w these three competetions(on basis of level), or they are all same(just name different)
View Articlejava: NZEC runtime error in FORGETPW
i am getting a runtime error of NZEC in java all the time. Please help/suggestions.
View ArticleGetting wrong answer while submitting chef subarray
Can any one send the sample input and output format for chef sub array?
View ArticleWA in spoj BUGLIFE. Bipartite graph
Problem link: http://www.spoj.com/problems/BUGLIFE/My solution: Using bfs: http://ideone.com/IKJO4U Using dfs: http://ideone.com/F9NXIeIts a bipartite graph problem. I am using two numbers to color the...
View ArticleANUMFS - Editorial
PROBLEM LINK:PracticeContestAuthor:Anudeep NekkantiTester:Sergey KulikEditorialist:Lalit KunduDIFFICULTY:CHALLENGE PROBLEM:It is an interactive judge problem. You have a search area defined by n...
View ArticleCHALENGE - Editorial
PROBLEM LINKSPracticeContestDIFFICULTYCHALENGEPREREQUISITESAd-Hoc, Brute ForcePROBLEMYou are given N servers, out of which a vast majority are honeypots. You have to guess the passwords at these...
View ArticleMINESWPR - Editorial
PROBLEM LINKSPracticeContestDIFFICULTYCHALLENGEPREREQUISITESAd HocPROBLEMHurray to Codechef hosting its first Interactive Challenge!The classic game of Mine Sweeper is presented with a twist. On a grid...
View ArticleQPOINT - Editorial
PROBLEM LINK:PracticeContestAuthor:tuananh93Editorialist:liouzhou_101DIFFICULTY:HARDPREREQUISITES:Computational geometry, Point location, Scan line, Self-balancing binary search tree, Functional...
View Articlesereja and arcs
I have implemented an 2N^2logN solution for this problem which obviously giving TLE. I just want to know will an O(NlogN) solution is enough for this problem or do I need fast IO too?
View ArticleMaxim and Progressions
wrote an O(n^2) algorithm...but repeatedly getting TLE....can anyone please confirm whether this problem demands even better solution or not?
View ArticleWA in TIDRICE
#include<iostream> #include<vector> #include<algorithm> using namespace std; class user { public: string id; char vote; }; class test{ public: int n,net; user u[100]; }; bool...
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