Defining a variable inside for loop
I want to make some basics clear :)Now In insertion sort we use 2 for loops and inside the for loop we keep track of key element which is to be insertedCODE for(int i = 0 ; i < n ; i++) ` `int key =...
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 ArticleCodeforces Round #187 (Div. 1, 2).
Codeforces round #187 for both div. is going to be held on 06/07/2013 at 19:30 MSK (21:00 IST). Registration will start in 21:00:00 hrs. Check your time zone here.
View ArticleFeast 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 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 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 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?
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 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 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 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 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 ArticlePlease help
I m new to Codechef....but i m not able to get even one successful submition.....my code is working fine ,in IDE i m using..but here it shows some or the other error..... even for the question...
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