problem regarding dynamic programming
Dynamic Programming where i found myself somewhat lagging. Please do tell where should i start and how to proceed.
View ArticleGetting runtime error not able to understand?
#include<stdio.h> #define max 100002 long int start[max],end[max],k[max],n,tmp[max],temp1[max],temp2[max],temp3[max]; long int mergesort(long int arr1[],long int arr2[],long int arr3[],long int...
View ArticleTwo similar codes (almost ), one getting RUNTIME error & the other got AC
first i submitted using vector (i have done this earlier in other problems successfully :) ) but got runtime error & same code i submitted using structure(everything was same except i stored the...
View ArticleAny prize of contest winning?
When anyone win long or short contest, is there any prize for that?
View ArticleMTRICK - TLE (python)
Here's the link to my solution : http://www.codechef.com/viewsolution/3243656 i saw some accepted solutions which were the same except that they used O(n^2) techniques for reversing. I can't get why I...
View ArticleRuntime Error: Cleaning Up (CLEANUP)
Hi coders, I was trying my hands on clean up problem and getting runtime error. I am new to python and don't know much about the functioning of it. May be that's why I am getting a runtime error as...
View ArticleHow to check answers online?
First of all sorry , if such questions are not allowed here and if such questions are allowed then please help me.I am trying to write a Java code which will take source file in C , C++ and Java and...
View ArticleFactorial- FCTL. my code gives TLE. bt it runs fine on ideone for the given...
I checked the code in my computer also for different inputs. enter code here #include<stdio.h> #include<iostream> #include<math.h> #include<map> using namespace std; int main()...
View ArticleClik here to view.
TAPAIR - Editorial
PROBLEM LINK:PracticeContestAuthor:Tuan Anh Tran DangTester:Gerald AgapovEditorialist:Jingbo ShangDIFFICULTY:HardPREREQUISITES:DFS orderPROBLEM:Given an undirected simple graph with N nodes and M...
View ArticleTOURBUS - Editorial
PROBLEM LINK:PracticeContestAuthor:David StolpTester:Gerald AgapovEditorialist:Jingbo ShangDIFFICULTY:ChallengePREREQUISITES:Greedy, Dynamic Programming, Search, RandomPROBLEM:Given a undirected graph...
View ArticleMTRICK - Editorial
PROBLEM LINK:PracticeContestAuthor:Nikhil GargTester:Gerald AgapovEditorialist:Jingbo ShangDIFFICULTY:Easy-MediumPREREQUISITES:Programming Language, Simple Math.PROBLEM:Perform the "Ancient Algorithm"...
View ArticlePLZLYKME - Editorial
PROBLEM LINK:PracticeContestAuthor:Kaushik IskaTester:Gerald AgapovEditorialist:Jingbo ShangDIFFICULTY:SimplePREREQUISITES:Programming LanguagePROBLEM:Define F[1] = S, F[i > 0] = F[i - 1] * (C + 1)....
View ArticlePrize in contests
Hi all! i'm new here so, just wanted 2 noe: What are prizes/prize money for different contests in Codechef?
View ArticleSEAGRP - Editorial
PROBLEM LINK:PracticeContestAuthor:Sergey NaginTester:Gerald AgapovEditorialist:Jingbo ShangDIFFICULTY:MediumPREREQUISITES:Matching, Gaussian EliminationPROBLEM:Determine whether there is any perfect...
View ArticleFRBSUM - Editorial
PROBLEM LINK:PracticeContestAuthor:Constantine SokolTester:Gerald AgapovEditorialist:Jingbo ShangDIFFICULTY:MediumPREREQUISITES:Segment Tree, Binary Search, Persistent Segment Tree.PROBLEM:Given...
View ArticleCNTDSETS - Editorial
PROBLEM LINK:PracticeContestAuthor:Mugurel Ionut AndreicaTester:Gerald AgapovEditorialist:Jingbo ShangDIFFICULTY:HardPREREQUISITES:Combination, Inclusion–exclusion principle, Euler's...
View ArticleCHEATING IN JANUARY LONG
Problem : MeteorAll they did was a : find and replacehttp://www.codechef.com/viewsolution/3250056http://www.codechef.com/viewsolution/3247304PS : All please read CodeChef Code Of Conduct , there is...
View ArticleSuggest new features you think should be added to CodeChef ?
I know have improved a lot by this codechef...its really awesome. But i would like to tell to the admin that codechef should improve a bit more, imean should add some more features....Such as message...
View ArticleTSORT- TLE.. i tried merge sort and sorting in algorithm header
I tried merge sort. and stable_sort() bt both gives TLE. plz help.links to my submission is given.
View ArticleBUY1GET1 - WA
It seems like an easy problem. But somehow, I am getting a WA. I can't seem to figure out why. Please have a look A description of my algorithm - Made two arrays A[26] and a[26] for storing the count...
View Article