AMMEAT - Editorial
Problem Link:PracticeContestDifficulty:CAKEWALKPre-requisites:ad-hocProblem:You have N plates of meatballs, the ith having Pi meatballs. What is the minimum number of plates you need to choose so that...
View ArticleACM-ICPC 2014 World Finals - Ekaterinburg, Russia
Official video released by ACM-ICPC for the 2014 World Finals
View ArticleGCD2 ALGORITHM
Can anyone pls explain the algorithm for gcd2 problem.?..i am stuck here....i referd many solutions but i am not undertanding what they r doing...
View ArticleProblem with December Challenge test data ?
Hi, Is anyone aware whether the test data format for December Challenge been changed? I am submitting code(s) in Java and they give runtime error (NZEC) on the judge page. In one of the questions, I...
View ArticlePRETNUM - Editorial
PROBLEM LINK:PracticeContestDIFFICULTY:EASYPREREQUISITES:Prime factorization, SievePROBLEM:Find the number of integers in the given range which have prime number of divisors.QUICK EXPLANATION:Although...
View ArticleICPC Practice Contest by IIIT-H Programming Club
IIIT-H Programming Club presentsICPC Practice Contest 3 (Onsite prelims)Starts at 11th Dec 05:00 PM - 10:00 PM (5 hrs)Register at http://felicity.iiit.ac.in/domjudge/Please note that people who had...
View ArticleKnapsack Problems?
What are your favourite knapsack problems? Please link them in the answer. I just learnt the algo and would like to get proficient in it. Thanks :D
View ArticlePractice Problems.Unable to access !
Hi, When I try to read a problem from the practice section(easy/medium) it says "You are not authorized to access this page. " Can someone please tell why this happened and for how long is it going to...
View ArticleACM ICPC number of try left
I qualified for Amritapuri Onsite Regionals in the last last list . However i rejected it. This year i had also registered for Kgp Online Round but couldnt participate in the online round due to exam...
View ArticleFiresec TLE
Dear friends, I have been trying to solve the question http://www.codechef.com/problems/FIRESC/ for a long time,my logic is definiely right wit complexity but why is it still showing TLE ,could u...
View ArticleAND Rounds - Wrong Answer
I am trying to solve AND Rounds http://www.codechef.com/problems/RESN01 or http://www.spoj.com/problems/ANDROUND/ Here is my approach.Let the original array be A[N] and the final array be C[N].(1) If...
View ArticleACM ICPC kanpur regional
are we allowed to take a library of codes for the onsite contest....we have received the mails but it doesnt mention anything about the library..also there was a question on quora saying we are not...
View Articleadvantage of using assert in program
i want to know that some programmer use assert in their program , is there any advantage of using assert while running the program on judge where all the constraints are defined and are guaranteed that...
View Articleneed some help in few tricks to reduce my runtime
i always face runtime problem.. what should i do
View ArticleCan I host a intra-college level coding contest on codechef.com?
The number of coders could be anything between 20 to 200. I saw the "Host your contest" page. Just want to know if it's a sure shot thing. Not like, codechef will review my contest, and will let me...
View Articleruntime error in c code
#include<stdio.h> #include<stdlib.h> int main() { int t ,*a,*b,q,i,j,na,nq,*p,k=0,temp,l; scanf("%d",&t); if(t>5) exit(0); else { for(l=0;l<t;l++) { scanf("%d...
View ArticleMCHAIRS - Editorial
PROBLEM LINK:PracticeContestDIFFICULTY:SIMPLEPREREQUISITES:Combination, Sum of Binomial CoefficientsPROBLEM:For a given value N, Find the sum of all Combination(N,k) where k varies from 1 to NQUICK...
View ArticleHelp with segment trees - query processing
Hello all,I am now attempting to solve the problem FLIPCOIN in the practice section, medium difficulty level.I am aware that a naive solution gets TLE... However, I also know that some sort of segment...
View Articlefastest implementation of segment tree
Someone please post or suggest some link to what could be the fastest implementation of simple range minimum query segment tree in C/C++ ?
View ArticleArray Transform Problem
Here's the link to the problem : http://www.codechef.com/problems/ARRAYTRMI haven't come across a similar problem before, and after giving much thought to it, I am unable to arrive at a suitable...
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