DP on Trees - Lecture Series | Tutorial
HiI had conducted a 3 day lecture series for DP on Trees at my youtube channel. Playlist Link ► https://goo.gl/SjtNaK.I have covered 3 types of techniques here: 1. Easy DP ► Link to Video 2. In Out DP...
View ArticleInvitation to code hustle contest by keteki.biz
The contest would be held on october 15 .. 10 am, I wonder if its the right time, I can change the time.Every contestant takes part with rs. 50. The top winners would win all the prize money (a little...
View ArticleACM ICPC 2018 REGIONALS
I can't find the criteria for the selection of a team to the onsite round from the online round for IIITM Gwalior, Kanpur-Kolkata and Hindustan University.And why the total number of slots for...
View Articlesomeone pls help me in this INTEST problem
link of problem :> https://www.codechef.com/problems/INTEST my solution :> https://www.codechef.com/viewsolution/15715061language :> JAVAit works fine in my pc but here it shows wrong answer
View ArticleCOPS - Editorial
PROBLEM LINK:PracticeContestAuthor:Devendra AgarwalTester:Surya KiranEditorialist:Amit PandeyDIFFICULTY:CakewalkPREREQUISITES:NonePROBLEM:There are 100 houses in a lane, numbered from 1 to 100. N cops...
View ArticleGetting segmentation fault. please help me.
for the questionhttps://www.hackerearth.com/practice/algorithms/graphs/breadth-first-search/practice-problems/algorithm/oliver-and-the-battle-1/#c120773 I am getting the Segmentation fault. here is my...
View ArticleHow do I test my uploaded problem on CodeChef?
I am done with uploading my problem on CodeChef. I am getting an error Solutions to this problem cannot be sumbitted now!.What should i do now ?
View Articleunable to submit my solution
CodeChef submission 15712334 (PYTH) plaintext list. Status: WA, problem CODG1704, contest CODG2017. By tushar2899 (tushar2899), 2017-10-08 22:14:45i don't know what is the problem with this solution i...
View ArticleGiving away android chatting app!
print Hi developers , I created an android app for chatting called as 'Chativo' Now I am not able to upload it anywhere.... So I have decided to give it for free to an android developer , If you are...
View ArticleIIT Bombay event - all questions copied from codeforces
Hey I want to expose this event - International Coding Challenge | Techfest, IIT Bombay which is going on currently link All their problems are copied from codeforces. As far as i remember, this is not...
View ArticleHow to solve SPOJ QTREE with centroid decomposition?
It's quite easy with HLD but I have no idea how to implement it so I went with centroid decomposition. Handling the max queries is relatively simple but I have no idea on how to to update. My idea is...
View ArticleCodigo2K17 :: KNIT Sultanpur
Greetings folks!We would like to inform that KNIT Sultanpur is back with its annual flagship Coding Contest Codigo2k17. Just like the previous iterations, this year's Codigo will be even more exciting...
View ArticleFCTRL2 getting wrong answer
import java.util.*;class RainBowa {public static void main(String a[]) { int n, t, fact; Scanner sc = new Scanner(System.in); t = sc.nextInt(); int ar[] = new int[t]; for (int i = 0; i < t; i++) {...
View ArticleHow to gain reputation in Codechef?
I am new to codechef so please any one guide to how to increase reputation?
View Articlecan u send me the logic to solve this question
There are N cities in a kingdom. These cities are aligned in a row. So, each city has two neighbours except first and last city. Each city has an F-number which denotes the maximum cities he can ask...
View ArticleINSQ15_F - Editorial
PROBLEM LINK:PracticeContestAuthor:vishfrndsTester:codefor6768Editorialist:vishfrndsDIFFICULTY:MEDIUMPREREQUISITES:dijkstra's algorithm basic graph theoryPROBLEM:Given a graph of N nodes. i-th node has...
View ArticleJULKA:spoj problem
can anyone please tell me what is wrong with this code..it give WA on spoj include<bits stdc++.h="">using namespace std; int main() { int l,m,t,i; char ta[101],ma[101]; int x[101],y[101]; for(int...
View ArticleHelp with this problem
https://www.hackerrank.com/contests/dyuthi-game-of-codes-2/challenges/nice-sequence I tried this problem during the contest but was able to pass only a few test cases.I tried solving it using dynamic...
View ArticleCan you please tell me why NZEC occurs?
public class Main{ public static void main (String[] args) throws java.io.IOException{ java.io.BufferedReader r = new java.io.BufferedReader(new java.io.InputStreamReader (System.in)); int n,k,t,c;...
View ArticleCHEFCH - Editorial
PROBLEM LINK:PracticeContestAuthor:Dmytro BerezinTester:Pushkar MishraEditorialist:Florin ChiricaPROBLEMYou're given a string of $+$ and $-$ symbols. A string is called a chain if it does not have two...
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