advantage of using assert in program
i want to know that some programmer use assert in their program , is there any advantage of using assert while running the program on judge where all the constraints are defined and are guaranteed that...
View ArticleATM , Python Runtime Error ! Nzec
balance=int(raw_input()) while True: withdraw=int(raw_input())if withdraw <= 2000 and withdraw%5==0 and balance<=2000: if withdraw<balance: balance=(balance-(withdraw+0.50)) print "%.2f" %...
View ArticleHoles in the text problem?
#include<stdio.h> int main() { char arr[100]; int t,i,j,count=0; scanf("%d",&t); for(j=0;j<t;j++) { scanf("%s",arr); i=0; while(arr[i]!='\0') {...
View ArticleSuggest new features/updates for Codechef Ranking site
Hello most of you might be knowing about Codechef Ranking site : http://www.okrdx.com/DescriptionPluginFrom time to time the back-end and plugin was updated to suit the purpose of promoting...
View ArticleStrongly Connected
Hey am stuck with this question .Please help me out :) http://www.codechef.com/problems/TUX02 Thnks in advance
View ArticleADIGIT time limit
I have no idea why my solution is exceeding the time limit. I've tried for pretty much hours. I even buffered the outputs. I tried saving all the possible answers in an array so that test cases would...
View ArticleRegarding TLE in CNPIIM
Sir, I am getting TLE when I uploaded, but according to my test cases (2500 * 50) i.e all 50 cases consist of 2500, my output time was 0.5 s.I could not understand the problem,so please help.
View Articlemy rating doesn't change
I have participied a lot of contests. But my rating does not change? I want to know why it does not change.
View ArticleStoring the results of test Cases
Is it a good practice to store the results of various test cases in a array then giving the output so that the output becomes fast...The constraints being less which ensure that the results could be...
View ArticleMemoization in C
Memoization is a very useful as well as often needed optimization technique.I implement this, using an extra array to store the results.Is there any more efficient way to achieve memoization in...
View ArticleQuickest way to accept input
I am using Java. In most questions, one has to accept input like: 1 2 3 4 5 How do I accept "1 2 3 4 5" as array? Using Scanner? readLine()? Tokenizer? (i.e. which one is the fastest)
View ArticleSIGSEGV runtime error in Shortest Path in Binary Trees
Could someone please tell me why this is giving me a runtime error (SIGSEGV).The problem is http://www.codechef.com/APRIL14/problems/BINTREE/Here is my code for this problem:...
View Articleinitialising every elements of an array to 0 in c
At the time of declaration i can initialize every elements of an array to '0' in C using calloc() or statements like :int a[10]={0};but I want to reset all the elements to '0' after every iteration of...
View Articlepartial points awarded for a few Contest problems
Hi all, I am relatively new to codechef competitions and had a question. I find that simetimes, even when a submitted solution is judged AC, the actual points awarded for that solution is not 1 but...
View Articlewhy getting wrong answer in the lead game
include<stdio.h>int main() { int n,i,si,ti,w,m=0,l; scanf("%d",&n); for(i=1;i<=n;i++) { scanf("%d %d",&si,&ti); if(si>ti) { l=si-ti; if(l>m) {m=l; w=1;} } else{ l=ti-si;...
View ArticleBytelandian gold coin - wrong answer why?
Here is my code, any help??include <stdio.h>int main(){ int i, num, a, b, c; scanf("%d", &num); long int coin[num], k[num]; for(i=0; i<num; i++)="" scanf("%d",="" &coin[i]);=""...
View Articlegoogle code jam
i just went through the problem,and i am able to solve it easily. but i am not getting any idea how to deal with the bigger numbers(limit is set to (10^100)).problem description- a number that is a...
View Articleshortest distances
hello all, it would be great if someone tell me an efficient algorithm to this questionIf weight of an edge of a given graph is increased or decreased for which we already computed the shortest...
View ArticleDFS for maze traversal
I am just starting to learn graphs...I am trying to implement a question.This question is a common one-There is a maze and there are 2 ppl in the maze- Jack and Robot..the robot can move only in all...
View Articlelast digit sum-confusion
please can help me understand the editorial of lastdiglink: http://discuss.codechef.com/questions/4079/lastdig-editorial
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