PROSUM - Editorial
PROBLEM LINK:PracticeContestAuthor:Vivek HamirwasiaTester:Mahbubul HasanEditorialist:Jingbo ShangDIFFICULTY:CakewalkPREREQUISITES:Simple MathPROBLEM:Given a sequence of numbers A[1..N], find the number...
View Articlewa in abcstr
#include<string.h> #include <stdio.h> int main() { long long int m,n,s=0,a=0,b=0,c=0,i,j,k; char arr[1000000],ch; scanf("%s",arr); m=strlen(arr); if((m%3)==0) n=m; else if(((m-1)%3)==0)...
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BINTOUR - Editorial
PROBLEM LINK:PracticeContestAuthor:Constantine SokolTester:Mahbubul HasanEditorialist:Jingbo ShangDIFFICULTY:EasyPREREQUISITES:CombinationPROBLEM:For each of 2^K players labeled by 1 .. 2^K, how many...
View ArticleSquare digit squares: getting wa
http://www.codechef.com/viewsolution/3646160 kindly help :)
View Articlewhy tags dont cover all questions
why in codechef , there isnt any tool which is in spoj and which classifies each question i.e. the category of question (like dp easy,kmp ,medium etc etc ) is written against each question . more...
View Articlecount of maximum | giving wrong answer despite of several fruitfull test cases
i don't understand why my code is giving wrong answer it is producing correct results for all test cases provided at question page and in forums.. please help#include <stdio.h> int main() { int...
View Articlewhy did this PROSUM solution not get accepted?
this solution for PROSUM gave a wrong answer... i dont understand why, while the same solution with the data type changed long long int got accepted. Why did the first solution not get...
View ArticleHow to write a c Program To Check The Order Of Opening And Closing Brackets?
How to write a c Program To Check The Order Of Opening And Closing Brackets? eg- ((()())) 1.how to check whether this patter will be true or false ?
View ArticleString Length
How to find the string length without using loop and library function in c?
View ArticleTrie tree implementation
hello guys ,i face problem in implementation of trie tree,can anyone provide good material for trie tree. I am beginner in string data structure so please guide me.
View Articlemost dinstance points problem
Find the distance between the most distant points in c++... how to solve this problem...
View ArticleHelp in Mobius Inversion
Is there an efficient algorithm for Mobeius Inversion Function?If yes,then how to implement it?
View ArticleDoes CodeChef have any Code Of Conduct?
I am new to CodeChef. I am not sure what can be considered as an improper conduct on this website. I do not want to be penalized for doing something unknowingly which is not the accepted behavior. Is...
View Articlehelp me please
hello I need to solve this problem. please help me. I have to solve this problem immideately http://www.e-olimp.com/en/problems/1593please solve this problem for me...
View Articlelucky strings problem
Certain letters of the alphabet are "lucky". The first "lucky" letter of the alphabet is "a", and every 2nd letter after a is also considered "lucky". In this way lucky letters include "a", "c", "e",...
View ArticleABC string WA!!
I have read the editorial before implementing this.But I don't know what I'm missing:#include<cstdio> #include<iostream> #include<cstring> #include<map> using namespace std;...
View ArticleAnybody tell me that why Compiler gives a WRONG answer in codechef???
http://ideone.com/VWXZKz
View Articlegetting wrong ans in THE LEAD GAME .HELP!!!!
cannot find what is wrong with this code of question link text . workng for most of the test cases i tried on my pc still getting wrong answer with codechef compiler . help !! include<stdio.h>int...
View ArticleMINXOR - Editorial
PROBLEM LINK:PracticeContestAuthor:Konstantin SokolTester:Gerald AgapovEditorialist:Tasnim Imran SunnyDIFFICULTY:MediumPREREQUISITES:Sqrt decomosition, TriePROBLEM:Given an array A of N integers, you...
View Articleplease help in debugging the C program
char input[20]; volatile bit rx_event; void interrupt() { if (PIR1.RCIF) { UART1_Read_Text(input, "\r", 20); rx_event=1; }void main() {short Start_up=0; short i; OSCCON.b6=1; OSCCON.b5=1; OSCCON.b4=0;...
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