answers by symmetry but no proof
http://www.codechef.com/problems/J7I submitted this problem and got "correct ans",the problem is really simple if u assume that the rectangle is a square.I saw about 15 other submissions all assuming...
View ArticleUNLUCKY NUMBERS
Hi everyone,I'm struggling with this problem, and I don't have any idea to do it yet. Does anyone know how to solve it?A positive integer is called a lucky number when the sum of some of its digits...
View Articleruntime error..help me out plzz!!
#include<stdio.h> void main() { int tc,num,i; scanf("%d",&tc); for(i=tc;i>0;i--) { scanf("%d",&num); printf("%d\n",fact(num)); } } int fact(int n) { int c,f=1; for(c=1;c<=n;c++) {...
View Articlehelp in Best box problem..
i am having a confusion in the best box problem http://www.codechef.com/problems/J7 tel me if i m correct.. p cm wire ie 4l+4b+4h=p and s cm2 are ie 2(lb+bh+hl)=sthis is how 2 equations are need to be...
View ArticleWA in TOURNAM :(
I was trying to solve this problem but i don't know why i'm getting WA.here is my solution I have tested my solution against a accpeted one one ideone, but it is givin correct output Please anyone help...
View ArticleJune Long Contest
I dont know if I'm allowed to ask this or not, but I need help from someone who has completed the problem DELISH, and to check my code in JAVA. I am not able to find why its giving WA on codechef but...
View Articlehow to detect arrow key inputs in c without using getch of conio.h.
well i am trying to create a game in c which requires the use of arrow keys as input. the book where i came across this question gives a function definition that is required to detect arrow key inputs....
View Articlea factory has three divisions and stocks 4 categories of products. an...
to represent each transaction. i have no clue as to what the question means in the first place. i mean a factory produces products why is this one receiving them. what should we do with regards to the...
View Articleplz help for LAPIN
i dont know whether it is allowed to ask this or not... can anybody tell why my lapindrome program is showing Wrong Result. http://www.codechef.com/viewsolution/2262864
View Articleintest:enormous input
import java.util.Scanner; class test { public static void main(String[] args) { Scanner sc = new Scanner(System.in); int count=0; int o1=sc.nextInt(); int o2=sc.nextInt(); while(o1>0) { int...
View Articlepreorder traversal of binary tree
preorder traversal of binary tree in c using iterative solution with node having a parent pointer any link to source code of this problem
View ArticleDiscussing CodeChef's problem on other platforms?
The Long contest at codechef has been a success due to its challenging status but of late during the last 2 competitions , I found out that a lot of lot of people asked the questions as it is on...
View ArticleWhy table may be outer joined to at most one other table ?
Here is a question which has been boggling me for few days now, and I searched and searched but couldn't find any convincing answer !Simple question, why is it restricted to have 2 Outer Joins in SQL,...
View Articlewhats the use of fflush function in c. when to use it and what does it do....
fflush function is something that i came across in a chapter on structures in c
View Articlenumber range
can anyone tell me how to deal with a number in range of -(10^9)^(10^9)<number<(10^9)^(10^9)..........
View Articleatm getting wrong answer
Here, is my code and i am continuously getting wrong answer and cannot find the reason why.. Please help?import java.util.Scanner; public class Main { public static void main(String args[]) { Scanner...
View ArticleRatings update for June 13 long contest .
@admin : When are the ratings likely to be updated ? I know you have cheating cases to solve . But just an idea when you might run the rating algo so that we can see our new ratings . Thanks in advance...
View ArticleWrong Answer after running for 1.14secs,what can be possible bug?
I am solving a question of June Challenge and my solution terminates with WA after running for 1.14 seconds. I am unable to debug it,everything seems okay. What can be a possible bug? Whether long...
View ArticleAcces Denied on problems page for june Contest
If I try to enter a problem page the following output "You are not authorized to access this page.I hope you'll fix this:).
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