TLE IN C++ 4.3.2 , AC in 4.8.1
Hello Everybody, I was solving the question Permuted array in Code Niche, IIT bhu . I was getting TLE using an O(n * log n) algorithm in C++ 4.3.2 (even after using fast I/O) and got AC with a O(n^2)...
View Articlewhy SIGSEGV runtime error?
Could someone please tell me why this is giving me a runtime error (SIGSEGV). I tried to implement my own quicksort rather than the C++ standard sort for the problem, but it ends up giving the runtime...
View Articleaccepting single string with space
could anyone tell about accepting a string with space,especially inside a for loop. i have tried getline,gets,but not getting desired output.if i enter the string as: hey sum it is read as 2 inputs...
View ArticleHoles:Getting Wa
include<stdio.h>include<string.h>int main() { int i,l,t,cnt=0; char str[100]; scanf("%d",&t); if(t>=1 && t<=40) for(l=1;l<=t;l++) { scanf("%s",str);...
View Articlewhy output is 0
#include<stdio.h> void fun(void *p); int i; int main() { void *vptr; vptr = &i; fun(vptr); return 0; } void fun(void *p) { int **q; q = (int**)&p; printf("%d\n", **q); } This code...
View Articlenumber of integer points between two integer points??
given two points which may or may not be collinear, how to calculate the total number of integer point which lies on the line b/w these two points..
View ArticleConnected components
http://opencup.ru/files/oce/gp6/problems-e.pdfAny idea what should I do for problem D?
View ArticleLFEB14A - Editorial
Problem Link:contest, practiceDifficulty: MediumPre-requisites: Maths, Inversions, Fenwick TreeProblem:We are given two arrays A[] and B[]. At first, we shuffle B[] randomly, then we merge A[] and B[]...
View ArticleGetting illegal start of type compilation error
My code for infix to postfix transformation problem is as followspackage CodeChef; import java.util.Scanner; import java.util.Stack; /** * Created by Aniket on 2/23/14. */ public class PostFixConverter...
View ArticleNot got rank
Hello, I'm new on codechef and due to my poor English, I can't find the instructions about how to get short contest rating. I participate in February Lunchtime 2014 without regist in exam ( I don't...
View ArticleDraughts NZEC
Hi Guys,I am new here and I think like many first timers, I am having the NZEC error on my Java solution. I've been checking to spot any places in my code where it might be causing any run-time errors...
View ArticleMPROJ Problem statement
Need Clarity in problem statement as per statement the efficiency is"A Team of Mech guys from UVCE are working on a Robot, which can cut the ripen coconut from the tree by controlling the release of...
View Articlefrequent values SPOJ
Was trying to solve http://www.spoj.com/problems/FREQUENT/ and since was unable to figure out so finally looked at the solutions https://github.com/hbdhj/spoj-cpp/blob/master/1684_FREQUENT.cpp There I...
View ArticleSEARRAYS - Editorial
Problem Link:contest, practiceDifficulty: EasyPre-requisites: DP, ImplementationProblem:We need to count the number of 01-strings of N chars, such that any continuous section of ones of them have a...
View Articleruntime error in fibonnaci numebr
i am trying to find a fibonnaci number by dp but my code giving runtime error many times. what may be the problem?#include <iostream> #include <cstdio> using namespace std; long long int...
View ArticleValar Morghulis clarification
Please help me with the sample cases of the problem Valar morghulis. http://www.codechef.com/CDNCTR14/problems/GOT I still can't understand how in both cases it's the same person who wins knowing that...
View ArticleSEAD - Editorial
Problem Link:contest, practiceDifficulty: MediumPre-requisites: Binary Search, Sparse Tables, Segment TreeProblem:You are given ascending-sorted array A[], consisting of N integers. You are to...
View ArticleLMATRIX2-Editorial
PROBLEM LINK:PracticeContestAuthor:Ivan ZdomskyTester:Hiroto Sekido, Gerald AgapovEditorialist:Ajay K. VermaDIFFICULTY:ChallengePREREQUISITES:Chinese Remainder TheoremPROBLEM:We are given a rectangle...
View Articlegetting wa rrecipe help
tried many test cases but getting wamy soln: http://www.codechef.com/viewsolution/3469354problem link: http://www.codechef.com/problems/RRECIPE/
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