Feast for Python lovers
Hey Friends!!! and my fellow Python lovers this is to inform you that Python Indian Community is re-hosting the well awaited Indian version of Python Conference (PyCon 2013) on August 30, 31 &...
View ArticleCHEFGIFT - Editorial
PROBLEM LINKSPracticeContestDIFFICULTYMEDIUMEXPLANATIONYou can view the editorial for this problem here.SETTER'S SOLUTIONCan be found here.TESTER'S SOLUTIONCan be found here.
View ArticleUNLUCKY NUMBERS
Hi everyone,I'm struggling with this problem, and I don't have any idea to do it yet. Does anyone know how to solve it?A positive integer is called a lucky number when the sum of some of its digits...
View ArticleISM01- what's wrong with my submission?
"""Python programming"""def calc(p): q=0; while(p>0): q+=(p%10); p=int(p/10); print(q)m=1; n=list(); s=int(input("Enter the number of test cases:")); for i in range(s): n.append(int(input("Enter...
View ArticleResubmit button
When we submit a solution to a problem and it doesn't get accepted, we have to make the extra effort to go back to the problem and then click the submit button again.It would be good if codechef adds...
View ArticleProblem Classifier for Codechef
Thanks to codechef community there are lots of different problems to solve in codechef practice section. But they are not classified based on algorithm used to solve the problem. If I were to solve...
View ArticleOpen source vs Algorithms - which is better
If one has an aim of being a good and successful programmer, what should one prefer -- contributing to open source projects or developing algorithmic skills by solving codechef , topcoder problems, and...
View ArticleISM01- what's wrong with my submission?
import sys def calc(t): q=0; while(t>0): q=q+int(t%10); t=t//10 print(q,file=sys.stdout) n=list(); s=int(input()); for i in range(s): n.append(int(input())); for p in n: m=1; for i in range(p+1):...
View Articlecutting recipes
t=int(input()) i=0 if(t<=100): for i in range(t): f=[] f= list(map(int, input().split())) l=f[0] if((l>=2)and(l<=50)): f.remove(f[0]) def gcd(x,y): rem=x%y while(rem!=0): x=y y=rem rem=x%y...
View ArticleTREE - Editorial
PROBLEM LINKSPracticeContestDIFFICULTYEASYPREREQUISITESKirchhoff's Matrix Tree Theorem, MathPROBLEMFind the number of Trees that contain k*n nodes, which are labeled from 0 to k*n-1, such thatThere is...
View ArticleWA [CIELNUM2]
my solution: http://www.codechef.com/viewsolution/2195528is producing WA always... and i don't understand what this statement actually mean(given at the end of problem): "Different operating systems...
View ArticleSome more homework
plzz smone help me out to optimize my solution its giving time limit exceeded: 8.32 secs http://www.codechef.com/viewsolution/2195392is my algo correct ? or am i making a serious mistake in there ?...
View ArticleHow can i submit solutions to previous contests?
Is there a way by which one can submit solutions to earlier contest?
View ArticleMSTICK - Editorial
PROBLEM LINKSPracticeContestDIFFICULTYSIMPLEPREREQUISITESRange Minimum Query, Simple MathPROBLEMYou are given N matchsticks arranged in a straight line, with their rearends touching each other. You are...
View ArticleAlgorithm learing
What Algos we need to learn to solve most of the problems?? plz...state in the order of learning..:D
View ArticleNZEC error
This is my code :-#!/usr/bin/python import sys, os, string,linecache def main(): file2=open("out.txt",'w') no= linecache.getline("in.txt",1) for i in range(2,int(no)+2): #print i...
View Articlehelp to find error in lapindrone code
include<stdio.h>include<stdlib.h>include<string.h>char a[1005]; int main() { int c,f,j,g=0,i;char m; int count1=0,count2=0; gets(a); f=strlen(a); for(c='a';c++;c<='h') { m=c;...
View ArticleNZEC Error: Python
def main():n = int(raw_input()) initList = [] tempMax = 0 for i in range (0,n): initList.append(raw_input()) initList.sort() i = 0 for i in range (0,n-1): l0 = len(initList[i]) l1 = len(initList[i+1])...
View Articlepython runtime NZEC error
I looked at all previous post here in the forum, but I still can't figure out why I'm getting this NZEC here. I'm trying to solve SALARY, http://www.codechef.com/problems/SALARY and here are my...
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