SMALL FACTORIAL : c++
this code is giving correct output, but codechef is not accepting this code and showing wrong answer.include<iostream>using namespace std; int main() { int t,n,i,j,f; cin>>t; int a[t];...
View ArticlePLUS- Editorial
PROBLEM LINK:Div1Div2PracticeSetter-Hasan JaddouhTester-Jakub SafinEditorialist-Abhishek PandeyDIFFICULTY:EASY-MEDIUMPRE-REQUISITES:2-D Arrays, Maximum Sum contiguous subarray of a 1-D Array (i.e....
View ArticleWEAKMID- Editorial
PROBLEM LINK:Div1Div2PracticeSetter-Hasan JaddouhTester-Jakub SafinEditoiralist-Abhishek PandeyDIFFICULTY:EASY-MEDIUM PRE-REQUISITES:Clever Simulation, Data strunctures, namely StacksPROBLEM:We have an...
View ArticleSBSTR - Editorial
PROBLEM LINK:Div1Div2ContestSetter-Hasan JaddouhTester-Jakub SafinEditorialist-Abhishek PandeyDIFFICULTY:SIMPLE PRE-REQUISITES:Frequency Array concept's application on string, looping, logical...
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TRACE- Editorial
PROBLEM LINK:Div1Div2PracticeSetter-Hasan JaddouhTester-Jakub SafinEditorialist-Abhishek PandeyDIFFICULTY:CAKEWALKPRE-REQUISITES:2-D Matrix, LoopingPROBLEM:Given a $2-D$ matrix $A$, find the maximum...
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TSUM2- Editorial
PROBLEM LINK:Div1Div2PracticeSetter-Haotian YuanTester-Jakub SafinEditorialist-Abhishek PandeyDIFFICULTY:HARDPRE-REQUISITES:Centroid Decomposition, Lines in 2-D Geometry, Convex HullPROBLEM:Given a...
View Articlesmall factorial solution
ok, I know that small factorial has a solution that is now known to the entire codechef( maybe an exaggeration )...but, is it legal, well, allowed to just use one of the library feature of a language ?...
View Articlequickmatch 10 coming soon with 3 hiring companies
This time we have 3 hiring companies and good ones, good coders working in them...Will update details once problems are ready. Readying it. https://www.codechef.com/KQ102018
View ArticleCalculate a^b - b^a
Calculate the value of a^b - b^a .Range : 1 <= a , b <= 100.This can easily be done in python but I need a solution using C++?What should I do to avoid overflow. ( Cannot use MOD also ).Problem...
View ArticleRange overflow in VSN
When we are finding distance b/w P and Q (x2-x1)^2 + (y2-y1)^2 whole underoot.(for 2d case). Now according to constraint of co-ordinates (this value (x2-x1)^2 + (y2-y1)^2) can exceed max value possible...
View Articletime limit exceeded
i am actually trying to write the code for this problem. however it says time limit exceeded. how can i optimise my code.#include <iostream> using namespace std; int main() { long int...
View ArticleDiscussion of problem on forum
This forum which is meant to discuss c++ and STL queries has discussion related to question from june long challenge. links SHKSTRVSN
View ArticleBUILDIT - Editorial
Problem LinkPracticeContestAuthor:Teja Vardhan ReddyTester:Misha ChorniyEditorialist:Bhuvnesh JainDifficultyMEDIUM-HARDPrerequisitesMatrix Multiplication, Recurrences, Linearity of Expectation,...
View ArticleWhat's wrong with my submission of TWOFL(June Long)
I implemented the solution of Author given in the editorial, my implementation is same as of him, expect some minor changes in variable names but I keep failing a few test cases in Subtask-2 and 3...
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Abnormal behaviour of code in PALIN3
I was practicing a question PALIN3, here is the link-> https://www.codechef.com/problems/PALIN3I coded my logic and here it is-> https://www.codechef.com/viewsolution/18880436Now when i run this...
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ARCTR - Editorial
Problem LinkPracticeContestAuthor:Igor BarenblatTester:Misha ChorniyEditorialist:Bhuvnesh JainDifficultyMEDIUM-HARDPrerequisitesDynamic Convex-Hull Trick, Heavy-Light DecompositionProblemYou are given...
View Articlesheokand and string timecomplexity problem
solution link : https://www.codechef.com/viewsolution/18880951please can someone tell me why i was getting 30 points however my code was similar to tester code
View ArticleHelp with Sheokand and String (SHKSTR)
Hi, my solution fails for 2 of the large test cases. I am unable to identify what's wrong in my solutionhttps://www.codechef.com/viewsolution/18880600Can someone please help me. Thanks a lot in advance :)
View Articlegetkey() function
hi there,i have been trying to build a puzzle game in c language. for this i need a function to input arrow keys.here is my function which i got from on book.include<dos.h>sgetkey() { union REGS...
View ArticleWhy Codechef does not make contest problems test case public after contest...
my humble request to @admin to share test cases of contest problems with editorial, or provide feature to see test cases during submission after contest gets over.. while practicing one get WA, TLE or...
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