Cheating in ACM Amritapuri online contest.
https://www.hackerrank.com/rest/contests/amrita13/challenges/blurry-vision/hackers/codemates2/download_solutionhttps://www.hackerrank.com/rest/contests/amrita13/challenges/blurry-vision/hackers/code_sc...
View ArticleCollegewise Ranking Plugin
How to add the College-wise ranking plugin in chrome?Whenever, I download the .crx file, it says "apps, extensions, scripts cannot be added from this website".
View Articleinput file
How to handle the input file provided in programming contests(like facebook hacker cup)? specifically talking about file handling in c++..
View Articlec++ new standards
I am getting this error. It is my first submission at CodeChef. I have however eliminated conio.h and is using iostream and have also included "using namespace std;".prog.cpp: In function ‘int main()’:...
View ArticleHoles in the text problem(Please tell me why this code is not working)
#include<iostream> #include<iomanip> #include<string.h> int main() { int i,len=0,count,test,j; char a[101]; cin>>test; for(j=1;j<=test;j++) { cin>>a;...
View ArticleHOLES IN TEXT
this code runs well for given test case ....but gives runtime error.Please help#include<stdio.h> int main() { char b[20]; int i=0,c=0,t=0; scanf("%d",&t); while(t--) { c=0; i=0;...
View ArticleQuestion/Answer community vs Typical threaded discussion forum?
How is a Question/Answer community different from a typical forum?
View ArticleWindows.h for C++
When I code I always use windows.h for system("pause"), but when I upload my code to this site it always gives me a compile error. What did I do wrong?
View ArticleNovember challenge
When will the winners blog get updated . As codechef has taken quite a bit of time to update ratings and now they are delaying in updating the blogs .. Is it for this time or will it be the case for...
View ArticleCOOKFOOD - Editorial
PROBLEM LINKSPracticeContestDIFFICULTYSimplePRE-REQUISITESRecurrences, Simple MathProblem:Chef is cooking two dishes, each one takes N processes to be prepared. Chef has K equipments which allow for K...
View ArticleMath formula derivation help?? (COOKFOOD)
Can someone explain the math with an example on how (K-2)^2 + K-1 choices are derived?? This question is tagged as simple math but I'm not fully able to wrap the math part though i understand it in...
View ArticlePython 3.3 NZEC (Pairwise AND Sum)
import math import sys n = 1 cases = 0 num = 0 arr = [0 for i in range(0,30)] ans = 0 #print('Enter the test cases') cases = int(input()) while cases: num = int(input()) for i in range(0,30): if num %...
View ArticleNUMBERS - Editorial
Problem Link:PracticeContestDifficulty:CakeWalkPre-requisites:SortingExplanation:Sub tasks 1, 2, 3:The constraints in these subtasks are designed in such a way that it is possible just to check every...
View ArticleHandling large integers in C++???
While going through some successful submissions of Am I Fibonacci Number in COOK40, I have seen that some of them just use unsigned long long to store digits of the form of 1000 digits and still...
View ArticleQMARKS - Editorial
Problem Link:PracticeContestDifficulty:Easy-MediumPre-requisites:Aho-Corasick, DPExplanation:In order to pass the first sub task it's sufficient to implement exponential-time brute force solution. In...
View ArticleClik here to view.
LMA1 - Editorial
Problem Link:PracticeContestDifficulty:EasyPre-requisites:Basic mathExplanation:Sub task 1:In this subtask the summands will decrease very fast because a is actually small, so it's enough just to...
View ArticlePALINDR - Editorial
Problem Link:PracticeContestDifficulty:Easy-MediumPre-requisites:Treap, CombinatoricsExplanation:The constraints in the first sub task are very small, so a simple brute force will be enough in order to...
View ArticleWhat's happening on codechef ?
In today's lunchtime contest , the site got offline for 10-15 minute . I click on poster of november cook-off on home-page , then october challenge pops up . I tried to open the today's lunch question,...
View ArticleProblem with Lowest Sums
Hello, I am getting an NZEC error when submitting my solution to the Lowest Sums problem under the easy category for the practice problems and I cannot understand why. Using both Visual Studio and...
View Article