Online Technology Quiz @Technex 2014
Technex and Google Developer Group, Hyderabad presents ,Wizards of Byteland an online programming quiz contest.Preliminary Round: Date: 2nd March 2014, Time Limit: 30 minutesContest Portal is now open...
View ArticleModular Multiplication
Many teams have used the following function to perform modular multiplication. Can someone explain how it works?Click here to see code
View Articleregister as input in C
i found it while i was going through some solutionsinline void fastread(int *a) {register char c;while(c<33) c=getchar_unlocked();*a=0;while(c>=33) {a=a*10+c-'0'; c=getchar_unlocked(); } }can any...
View ArticleWrong Answer in Modaks inTrinity(TR004)
What's wrong with my solution ?Here's the link of the problem(link-http://www.codechef.com/TRNT2014/problems/TR004/)import java.io.BufferedReader;import java.io.InputStreamReader;import...
View ArticleTR001...what was my mistake??
int main() { long long int n,m,t,x; cin>>t; while(t--) { cin>>n>>m; if(n>=m) { x=(n/2); cout<<x<<"\n"; } else { x=(m/2); cout<<x<<"\n"; } } return 0; }
View ArticleRESIST - Editorial
PROBLEM LINKSPracticeContestDIFFICULTYEASYEXPLANATIONThis problem may look scary at first to someone who haven't seen electrical resistors before, but the basic things needed to solve are explained in...
View ArticleDiscrepancies in the Voters List
i am getting Runtime Error(SIGSEGV) although its running fine in my systemthis is the code...http://www.codechef.com/viewsolution/3495629memory usage is 2.9M pls help !!
View ArticleRun time error
when i use my codeblocks to compile my program its working fyn...... but when i enter the same code in code chef ...it is showing runtime error....How can i overcome this problem ............THANKS IN...
View ArticleLogic behind TROO1 Trinity 2014 ( Notorious Gunner ) ?
I have seen many solutions and they all look like this :int f( int x) { int ans ; while ( x > 1) { ans++ ; x /= 2 ; } return ans ; } final_ans = max ( f(a) , f(b)) ; where a and b are no.of rows and...
View ArticleCHSEQ22-Editorial
PROBLEM LINK:PracticeContestAuthor:Roman FurkoTester:Hiroto Sekido, Gerald AgapovEditorialist:Ajay K. VermaDIFFICULTY:Easy-MediumPREREQUISITES:Connected componentsPROBLEM:We are given an array of N...
View ArticleGetting TLE for ATOM
Question : ATOMThis is my code for above question#include<iostream> #include<cstdio> using namespace std; long long int get_num() { long long int num=0; char c=getchar_unlocked();...
View ArticleFibonacci Returns Help
Could someone provide hint/editorial for this question http://www.codechef.com/IOPC2014/problems/IOPC14FIts mentioned everywhere that there is no general formula to find pisano period...
View ArticleCheating Trinity 2014 and Unethical Karma Farming
Here are 2 users with exactly same codes for all 3 problems of Trinity 2014 organized on Codechef today.Contest organizers please take note.Problem : TR001: (exactly same codes)1) @bit_cracker007 :...
View ArticleEasy Question - Birthday Candles
for the easy level question Birthday Candles : http://www.codechef.com/problems/CANDLE/ i have tried all the test cases that i could but i m still getting wrong answer. Please tell me the tell case for...
View ArticleGetting NZEC in java ??
package practice; import java.util.Scanner; class Cricket { /** * @param args */ public static void main(String[] args) throws Exception { // TODO Auto-generated method stub // BufferedReader br = new...
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A tutorial on Suffix Arrays
Hello @all,This text will focus on the construction of Suffix Arrays, it will aim to explain what they are and what they are used for and hopefully some examples will be provided (it will be mainly...
View ArticleDEFACING - Editorial
PROBLEM LINKSPracticeContestDIFFICULTYEASYPREREQUISITESBrute force, GreedyPROBLEMWe are given an integer S represented in a 7-segment display. Add some segments or digits into it to create the as large...
View ArticleModular Exponentiation and large numbers
I am having trouble in understanding how this code is giving the correct answer for larger test cases (TL > limit of long long int). Suppose TL =...
View ArticleNZEC error.
Hi, I always recieve a non zero exit code? Why is that happening? Could someone look at my code?def fact(n):#factorial function if(n==0): return 1 return(n*fact(n-1)) def coeff(n,k):#binomial...
View ArticleATM why can't i submit a program in TCL?
I just completed the ATM script in TCL, but when I goto upload it TCL is not an available option!! what gives?
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