When does my rating and rank get updated?
This was the first time I took part in a CodeChef competition. When I go to my account, my rank is NA and rating is 0. Below that is written Oops! We didn't find any country code for you. So is...
View ArticleRRSTONE ERROR EVEN THOUGH THE CODE IS CORRECT!
SEE my code for RRSTONE,Its working very well but why codechef is showing wrong result!!!include<stdio.h>include<stdlib.h>int main() { long int n,k; long int max=0,i=0,j=0;...
View ArticleChef and Strange Matrix
Hi, On the contest time, I've submitted this problem many times, but got WA every times... :(Would anybody please tell me, for which case my code is failed ??? Here is my ideone code
View ArticleNeed resources for Dynamic programming
Any one please suggest good resource for Dynamic programming and of course some practise problems
View ArticlePlease give a test case where my code fails for compilers and parsers
[http://www.codechef.com/viewsolution/3876116] the above link is the code where i had written in java
View Articlechef and strange matrix wrong answer
http://www.codechef.com/viewsolution/3898907 what is wrong in it
View ArticleScoring problem with the Challenge problem (ANUMFS)
As you can see from the last submissions for the Challenge problem of MAY'14 long contest (ANUMFS), both me and @aawisong submitted solutions which scored an absolute score of 0 (yes, that means we got...
View ArticleOJUMPS - Editorial
PROBLEM LINK:PracticeContestAuthor:Dmytro BerezinTester:Sergey KulikEditorialist:Lalit KunduDIFFICULTY:CAKEWALK PREREQUISITES:AD-HOC PROBLEM:Chef is at x=0. 1-jump: he will move from x -> x + 1...
View Articlechef and strange matrix wrong answer is there any way to see which tst case...
Thanks for all your work, really fun to participate, even if I miss of bandwidth. I'll like to understand why my code fails with WA, so is it possible to get the test case which failed? submission...
View ArticleLEBALONS - Editorial
PROBLEM LINK:PracticeContestAuthor:VitaliyTester:Sergey KulikEditorialist:Lalit KunduDIFFICULTY:EASY-MEDIUM PREREQUISITES:Combinatorics, Dynamic Programming, Probability PROBLEM:Given N ballons, i'th...
View ArticleLEBALONS Getting WA
I am getting WA for the problem. I have absolutely no idea why, whole contest I tried this problem :( Can anyone help? Here's my code.
View ArticlePrime Palindrome HELP WRONG ASNWER
I really don't understand why my answer is wrong, it works just fine for me. Could someone please help?http://www.codechef.com/viewsolution/3900410
View ArticleRRSTONE - Editorial
PROBLEM LINK:PracticeContestAuthor:Roman RubanenkoTester:Sergey KulikEditorialist:Lalit KunduDIFFICULTY:SIMPLE PREREQUISITES:AD-HOC PROBLEM:K times, following operation is done on a array A1,A2...AN:...
View Articlechefbm wrong answer
why am i getting wrong answer http://www.codechef.com/viewsolution/3900322 please give some test case
View ArticleFUNAGP - Editorial
PROBLEM LINK:PracticeContestAuthor:Devendra AgarwalTester:Sergey KulikEditorialist:Lalit KunduDIFFICULTY:HARD PREREQUISITES:Binary Indexed Trees/Segment Trees Mathematics and Number Theory...
View ArticleChef and Strange Matrix
http://www.codechef.com/viewsolution/3898256I'm getting runtime error but the code is running properly on my codeblocks (probably because I'm not entering very large values)... Since I'm new here, can...
View ArticleSEAGM - Editorial
PROBLEM LINK:PracticeContestAuthor:Sereja NaginTester:Sergey KulikEditorialist:Lalit KunduDIFFICULTY:MEDIUM PREREQUISITES:dynamic programming, 2 player games, basic understanding of gcd.PROBLEM:Given n...
View ArticleCompilers question May challenge
Probably the simplest code.All I am doing is what would you do with a stack. Giving wrong answer code -#include <stdio.h> int main(void) { int testcases; int i,count_left,count_right,max; char...
View ArticleChef and Strange Matrix
What's wrong with the following code?http://www.codechef.com/viewsolution/3900513It is giving me WA. #include <stdio.h> int main() { long long int n, m, p, i, j, total_cost, cost; scanf( "%lld...
View Articlewhy i am getting wrong answer for CHEFBM ques
include<stdio.h>include<stdlib.h>struct sort { long long int a; long long int b; };long long int compare(struct sort *p , struct sort * q) { if(p->a != q->a ) return ( p->a -...
View Article