TEX - Editorial
PROBLEM LINK:PracticeContestAuthor:Naman GoyalTester:Aanya JindalEditorialist:Naman GoyalDIFFICULTY:CAKEWALKPROBLEM:The minimum number of transactions to be done to divide the money equally after 3...
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 ArticleGOODS - Editorial
PROBLEM LINK:PracticeContestAuthor:Jatin GuptaTester:Aanya JindalEditorialist:Naman GoyalDIFFICULTY:EASYPREQUISITESSortingPROBLEM:In problem statement, it is given that there are n(even) number of...
View ArticleSubmit button in google chrome gmail not working but works in internet explorer
What can I do to get the submit button in google chrome gmail to work when responding to emails I recieve?
View ArticlePlease help in SPOJ GAMES
Problem: http://www.spoj.com/problems/GAMES/ My solution is giving right answer for the test cases given in the question but i m still getting wrong answer. I am not able to find the bug, Any sort of...
View Article[When ??]SnackDown' 18
@admin , Is snackdown scheduled this year ?? As I can see https://www.codechef.com/snackdown/2017/schedule Registration for snackdown'17 started on 14 April'17. But for this year It's 18 today and I am...
View ArticleENP - Editorial
PROBLEM LINK:PracticeContestAuthor:Jatin GuptaTester:Aanya JindalEditorialist:Naman GoyalDIFFICULTY:EASYPREQUISITESBasic knowledge of modulo operatorPROBLEM:To find the length of longest palindrome...
View ArticleADP - Editorial
PROBLEM LINK:PracticeContestAuthor:Jatin Gupta& Gaurav AggarwalTester:Aanya JindalEditorialist:Aanya JindalDIFFICULTY:Easy-mediumPREREQUISITESGCD, mathPROBLEM:Given start and end positions on a...
View ArticleNot getting accepted in highway bypass problem.
I have been trying to solve the Highway Bypass problem but I am not getting AC. I am not able to figure out what is wrong with My Solution. anyone please tell me what is wrong with my logic.
View ArticleHow to solve road repair problem from SPOJ?
Please provide detailed explanation on how to solve IITWPC4I - Petya and Repairment of Roads from spoj.
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Invitation to Coders' Legacy 2018 (Rated)
Hello CodeChef community,On behalf of KeyGEnCoders, the programming club and CodeChef Campus Chapter of Kalyani Government Engineeing College, I would like to invite you all to Coders' Legacy 2018. The...
View Article"I want to ask a question" - Ask them all here!
Please only ask a question here if you don't have sufficient karma points to post a questionHello guys,As you all are aware, many times there are genuine users who wish to ask a question, but dont have...
View ArticleMGCHGYM - Editorial
Problem LinkPracticeContestDifficultyMedium-HardPre-requisitesTreap, bitset, DPProblemMaintain two types of modifications on the given array and solve the subset-sum problem on its' subsegments.How to...
View Article[How ??] Create Tag
How Do I create new tags ?? https://blog.codechef.com/2014/11/18/the-new-karma-system/ say Minimum reputation to create tags 250 karma. I have sufficient karmas. But when I tried to create tage of my...
View Articleproblem with Modular exponentiation
Consider a code for Modular exponentiation assume we are calculating (x^n)% MODwhile(n>0) { if(n&1) result = (result*x)%MOD; cout<<result<<"\n"; x=(x*x)%MOD; n=n>>1; } suppose...
View ArticleRun Direction-Not able to understand
Can anyone explain the approach mentioned in the editorial for Run Direction in detail? I am not able to understand the greedy approach and also how can we apply binary search? I am not able to...
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IOC - Editorial
PROBLEM LINK:PracticeContestAuthor:Jarin GuptaTester:Aanya JindalEditorialist:Gaurav AggarwalDIFFICULTY:EASYPREREQUISITESSortingPROBLEM:N cakes are given. Cut k of them parallel to any edge to maximise...
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Can anyone help me with Coding Arena from TCS Codevita 2017 Contest?
Hello friends can someone tell me how to approach this problem from TCS Codevita 2017 ?@vijju123@taran_1407@vivek_1998299@meooow@john_smith_3@aryanc403@vbt_95
View Articleproblem in understanding limit for value of "a" in NUKES problem?
The problem NUKES, in this problem the value of "a" can range up to 1000000000 but some programmers have used integer array to store the values of a,n and k and still got accepted. you can see it in...
View ArticleAVGPR last subtask is failing :/
My last subtask is failing in Java but the same approach is working completely fine in python. Help me in finding out the mistake please! https://www.codechef.com/viewsolution/18320014
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