Some More Homework - Length of "b" sequence
I'm not the only person who has an issue with this practice problem. Here is a link to the problem.The issue is: b can be an infinite sequence. I have no problem calculating b to an arbitrary length....
View ArticleDRANGE_Wrong Ans
I have tried a number of test cases but i still i cant figure out my mistake.Please help.Code link is below : http://www.codechef.com/viewsolution/2403899Also when i was through some of the successful...
View ArticleHelp in Sieve of Eratosthenes algorithm
This code is for finding prime with the help of Sieve of Eratosthenes algorithm. I tried to manage memory for the program so instead of declaring large element arry i used calloc function.But when i...
View ArticleFARASA - Editorial
PROBLEM LINKPracticeContestDIFFICULTYHARDPREREQUISITESFast Fourier TransformPROBLEMYou are given an array of N positive integers. There are N+1C2 sub-arrays of this array. Find the number of unique...
View ArticlePlz help me with this problem.
Maximum Absurdity this problem was asked in Codeforces Round #193 (Div. 2). Plz anyone tell me what is the approach for solving this problem?
View ArticleSum In a Triangle SIGSEGV Error
Hey guys, I have been trying to solve the sums in a triangle problem. Here's the code:#include<iostream> using namespace std; int a[10][10],j,k; int func(int &n,int &r) { int large[10];...
View ArticleAn interview of ACRush with Google Code Jam team
ACRush chatting about programming, strategies and more.. here is the link
View ArticleReferences for learning C
Hello, I have a reasonably knowledge regarding java and I would like to learn the C language, it's just curiosity and I want to have a better understanding of the lower level languages (comparing to...
View ArticleHOLES - Editorial
PROBLEM LINKSPracticeContestDIFFICULTYEASYEXPLANATION You just simply need to do what is mentioned in problem statement. Just note that only letter “B” has two holes, and only letters “A”, “D”, “O”,...
View ArticleRESQ - Editorial
PROBLEM LINKS:PracticeContestDIFFICULTY:SimplePREREQUISITES:Math, Prime FactorizationPROBLEM:The aim is to find two numbers x and y such that x * y = N and |y – x| is as small as...
View ArticleNPIN - Editorial
PROBLEM LINKPracticeContestDIFFICULTYHARDPREREQUISITESComputational GeometryPick's TheoremCyrus Beck's Line Clipping AlgorithmSweep Line AlgorithmLine Segment IntersectionPROBLEMYou are given a convex...
View ArticleBirthday Candles
I cannot seem to find the problem with my code. Any help will be appreciated. http://ideone.com/XTkzOC
View Articlethere is some problem with the solution of COINS question
#include<stdio.h> int main() { int n[20],n1=0,n2=0,n3=0,i,len=0; len=sizeof(n)/sizeof(int); printf("pls enter any %d number:\n",len); for(i=0;i<len;i++) { scanf("%d",&n[i]);...
View ArticleSmall improvements for code chef
I was thinking of what improvements can be done to code chef without some big effort like a new feature but just some small tweaking . I came up with the following list : 1. Include global time...
View ArticleSIGSEGV error in linked-list swapping
Got SIGSEGV error in this function which basically swaps every two numbersvoid swap(struct node *head){ if(head == NULL || head->next == NULL) return; struct node *temp = head,*temp1 =...
View Articlegetting wrong answer in SPOJ problem UCV2013J
here is my code/* Valences submitted by Arjun Mishra */ #include<iostream> #include<string.h> #include<math.h> using namespace std; long long int A; long long int compare[21]; void...
View ArticleCHRECT - Editorial
PROBLEM LINKPracticeContestDIFFICULTYCAKEWALKPREREQUISITESAd HocPROBLEMYou are given a grid of R rows and C columns. The rows are numbered from 1 to R from top to bottom. The columns are numbered from...
View ArticleHow to make a float precise in C++.Help please
Suppose, I declared a float variable p; float p;now ,I want to take input for p; Such as someone typed 12.123123 for p; But when I'm working in program I want to make p only 2 decimal precised............
View ArticleThe lead game
can i ask whats wrong with my code? i got WA #include<stdio.h> #define max(a,b) (((a) > (b)) ? (a) : (b)) int a[2][10001]; int main() { int t; scanf("%d",&t); for(int x=0;x<t;x++) { int...
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