What kind of problems are easier to solve in Python?
Now, since Python is really gaining reputation among competitive programming also. What are some particular types of problem that are easier to code in Python compared to C++/JAVA?
View ArticleTime complexity of bfs and dfs
It is just that i am unable to understand how complexity(time) of bfs/dfs are O(v+e). why not O(v*e)???since most of the times i have seen we just multiply inner loop and outer loop iterations and...
View ArticleRemove spaces from a string in C++ and convert into integer.
How to remove spaces from a string in C++ and convert it into integer in a simple way.
View ArticleC# Timing
Anybody know how can i reduce the execution time of my C# program.... ANy help is highly appreciated. I tried: Removing unused namespaces. Removed Unused declarations. Removed SOme looping- not all-as...
View ArticleNUMFACT - Time limit exceed error
It gives a TLE when i use the function 'prime' to find the prime factorisation of the number.Can someone please tell me where i went wrong? Thanks in advance. Here is the link to my code :...
View ArticlePrizes for lunch time .
@admin : Are there any prizes for lunch time contest , in terms of cash or goodies . If so , please give the details for schools category and open category .
View ArticleGRTRIP - Editorial
Author: Roman Rubanenko Tester: Vamsi Kavala Editorialist: Bruno OliveiraPROBLEM LINKSPracticeContestDIFFICULTYMediumPRE-REQUISITESGraphs, DFS, Shortest-Path TreesProblem:The Chef is going on a trip...
View ArticleI am not able to set my institution to Delhi Public School R.K. Puram while...
I am not able to set my institution to the above mentioned. Whenever I try to select this institution, it says "choose from suggestion box". But that is what I am doing, i.e., selecting from the drop...
View ArticleHow can I practice an ended contest?
Hi Everyone How can I practice an ended contest. I wanna practice LunchTime contest.
View ArticleAll Possible Combination
Given four numbers(say 1,2,3,6). How Can we generate all possible combinations using addition,subtraction,multiplication,division and brackets.I have found a similar problem: Free Parentheses (ACM ICPC...
View ArticleIdeas for a Graphic Project
Hey, I'm a high school student with some level of mastery over java. I want to study computer science further on, and I would like to do a CS project to showcase my passion to different colleges. But...
View ArticleWhat are the problem sections Challenge and Peer?
Easy, medium, hard are arranged by difficulty. School section is the new one introduced. What are these 2 other sections in practice?
View Articleexplain me this code...
#include<stdio.h> int call(int); int main() { int n=9; printf("1 function"); call(n); getchar(); return 0; } int call(int n) { if(n<=0) return 0; else call(--n); printf("\n%d function",n);...
View Articlelunch time ratings
Will there be any ratings for lunch time???if yes till when will they be uploaded...if at all..nice concept
View ArticleMy interview question...
Given a n (large number) lists of customers who visited n webpages on n (large number) days, design a data structure to get customers who have visited the website on exactly "k" days and should have...
View ArticleHow to compile and run C/C++ code from "Sublime Text 2" editor?
I use ST2 for writing C/C++ code during competitions, but I have to use CodeBlocks for compiling and running the code. Is there any way to compile and run code within the ST2. I have googled for this...
View ArticleNUMFACT - Editorial
Author: Vamsi Kavala Tester: Roman Rubanenko Editorialist: Bruno OliveiraPROBLEM LINKSPracticeContestDIFFICULTYCakewalkPRE-REQUISITESSimple Math, Integer FactorizationProblem:You are given a very large...
View Articleambiguous permutation
import java.io.*; import java.util.Scanner;class test1 {public static void main(String[] args)throws IOException { int count=1; BufferedReader br = new BufferedReader(new InputStreamReader(System.in));...
View Articleambiguous permutation
import java.io.*; import java.util.Scanner; public class test { public int search(int i,String a[]) { for(int j=0;j<a.length;j++) { if(Integer.parseInt(a[j])==i) { return j+1; } } return 0; } public...
View ArticleShouldn't we use built-in modules in codechef?
In the multiple factorial problem(i guess I remembered it right!) I first submitted it by using factorial method available in the math module(math.factorial) but, it didn't go good. I tried second time...
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