KIRMEME - Editorial
PROBLEM LINK:PracticeContestDIFFICULTY:Medium-HardPREREQUISITES:divide and conquer, trees, DFSPROBLEM:Given a tree of N vertices and two integers L and R, i-th vertex of the tree has value ai, you are...
View ArticleA request from CodeChef
Can CodeChef help us conducting the ZCO as TCS iON is doing very bad since 2 years.
View ArticleSEQUAT2 - Editorial
PROBLEM LINK:ContestPracticeAuthor:Istvan NagyTester:Kevin AtienzaTranslators:Sergey Kulik (Russian), Team VNOI (Vietnamese) and Hu Zecong (Mandarin)Editorialist:Kevin...
View ArticleSELECT - Editorial
PROBLEM LINK:ContestPracticeAuthor:Istvan NagyTester:Kevin AtienzaTranslators:Sergey Kulik (Russian), Team VNOI (Vietnamese) and Hu Zecong (Mandarin)Editorialist:Kevin...
View ArticleSECUBE - Editorial
PROBLEM LINK:ContestPracticeAuthor:Istvan NagyTester:Kevin AtienzaTranslators:Sergey Kulik (Russian), Team VNOI (Vietnamese) and Hu Zecong (Mandarin)Editorialist:Kevin...
View ArticleTREEDIAM - Editorial
PROBLEM LINK:PracticeContestAuthor:Sergey KulikTester:Harshil ShahEditorialist:Pawel KacprzakDIFFICULTY:MEDIUMPREREQUISITES:Trees, Union-Find, LCAPROBLEM:Given a tree on N nodes and a sequence of N - 1...
View ArticleALEXTASK - Editorial
PROBLEM LINK:PracticeContestDIFFICULTY:SimplePREREQUISITES:LCM, basic programming skillsPROBLEM:You are given N events, the i-th event will occur every Ai-th milliseconds. Find the first millisecond...
View ArticleSETELE - Editorial
PROBLEM LINK:ContestPracticeAuthor:Istvan NagyTester:Kevin AtienzaTranslators:Sergey Kulik (Russian), Team VNOI (Vietnamese) and Hu Zecong (Mandarin)Editorialist:Kevin...
View ArticleData Structure Tutorial : Introduction
I want to post o series of tutorial on data structure. I think it is useful for programming contest. Please comment if u find any error.Overview Data structure is a particular way of storing and...
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Data Structure Tutorial : Array
If you find any error please comment. I will try to update this post. Array is a collection of homogeneous data elements. It is a very simple data structure. The elements of an array are stored in...
View ArticleSuggestions for learning algorithms
I have done a couple of contests in codechef and I have found tat my main handicap is algorithms. Please suggest a book to learn about algorithms related to optimization, dp and data structures like...
View ArticleZCO: Is it fair??
@all heard about the issues at today's ZCO.Technical Problems.Again? This is becoming a serious issue now ; IARCS committee has to look into it.This is the past 3 year scenario: ZCO 2015: I gave ZCO...
View ArticleHow many top contributors get laddus?
On the goodies.codechef.com page it is given that the top contributor on discuss gets 300 laddus. How many top contributors get that. Like in the contest win, top 10 get it.
View ArticleDeclaring priority queue?
When we declare a std::priority_queue,why do we sometime type priority_queue<int, vector<int>, greater<int> > q, other time we type priority_queue<int> q. Can anyone explain...
View Articlewhat is the problem in my code ?
Hi I am trying to solve SUMTRIAN problem it is work good in my computer but when i put the code in the website I have the time limit problem this is my code if any one can help me ,plz? * I am sorry...
View ArticleSEBIHWY - Editorial
PROBLEM LINK:ContestPracticeAuthor:Istvan NagyTester:Kevin AtienzaTranslators:Sergey Kulik (Russian), Team VNOI (Vietnamese) and Hu Zecong (Mandarin)Editorialist:Kevin...
View ArticleBAADSHAH - EDITORIAL( IEMCO16)
PROBLEM LINK:PracticeContestAuthor:Rohit AnandTester:Ankit Raj GuptaEditorialist:Rohit AnandDIFFICULTY:EASY-MEDIUMPREREQUISITES:BIT/SEGMENT TREE,BINARY SEARCHPROBLEM:You have been provided with an...
View ArticleZIO 2017 Discussion
What are the answers to the questions of ZIO 2017?What is the possible cut-off for class 8?When will the results come out?
View ArticleZCO 2017 Discussion
What do all of you think about ZCO will it be Reorganized or all who participated in ZCO will be entitled for INOI?
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