To Admins : Recovering Lost Account
I have an account (dragan224) registered on this site and i was wondering, is there any way to recover it's password if i don't know the mail i registered it to.
View ArticleINVBINCF - Editorial
PROBLEM LINK:PracticeContestAuthor:Anton LunyovTester:Hiroto SekidoEditorialist:Anton LunyovDIFFICULTY:HARDPREREQUISITES:Binomial coefficients modulo prime powers, 128-bit arithmeticPROBLEM:For the...
View ArticleBeautiful Numbers - Codeforces problem doubt
The problem is this:http://codeforces.com/problemset/problem/300/CThanks to it, I managed to understand a bit better the usage and concept of modular multiplicative inverse.Namely, if we want to...
View ArticleApplication of Remove BST keys outside the given range
Hello friends... help me out... i have done coding for this... but i want to know where exactly this operation will be helpful.
View ArticleHow to Find the Square Root of a BIGINTEGER or BIGDECIMAL??
I have tried to find out the square root but could have precision only up to double. So, is there a possible way to find the square root of a big number with greater precision than double....Please HELP!!
View ArticleJava Generic Programming ...
Hello everyone Specially Java experts;I want to do Generic programming in Java . I am familiar with Java but not with Generic programming . I want to know what kind of contents it have , and how to...
View Articlepriority queue using stl in c++
guys i am trying to implement priority queue in c++ using stl . my code is given below :#include<cstdio> #include<iostream> #include<queue> using namespace std; class compa { public:...
View ArticleWhich scripting language should I learn ?
I would like to learn some scripting language. But I am confused which one to choose Python, Perl or Ruby or any other language. Can someone suggest me a scripting language also with comparisons with...
View ArticleGCJ Manage Your Energy Problem with pieguy's submission
I was reading the submissions and came along a neat submission by the very own @pieguy (You know him, as he is setter of many problems in the Contests here at Codechef).I am pasting the code snippets...
View Articlefeature request
Why doesn't Codechef support coloring system like TopCoder and Codeforces according to ratings...??
View ArticleHandling enormous data in C
Can anyone describe an efficient approach to handle enormous data of the orser of 10^100 in C,without using built in large data types,like long long etc.
View ArticleAbout Comment
How to interact on problem page? Can you guys please tell me how to post comments on this problem page. I'm new for this topic !
View ArticleWhat kinds of questions can I ask here?
What kinds of questions can I ask here? What kinds of questions should be avoided? What should I avoid in my answers?
View ArticleTASTR - Editorial
PROBLEM LINKSPracticeContestDIFFICULTYMEDIUMPREREQUISITESSuffix Array, Longest Common Prefix ArrayPROBLEMGiven two strings a and b, let A be the set of all substrings of a, and B be the set of all...
View ArticleCOURSE-AUG10
Problem: http://ww2.codechef.com/AUG10/problems/COURSEA correct solution: http://ww2.codechef.com/viewsolution/298347Can someone tell me what is being done in the step Ti=max(T,<something>),...
View ArticleJava Tutorials
I just wanted to know. What is the best way to learn Java ? I have looked around and cant really decide how. Like do i just learn syntax and then do excercises? I just wanted some good advice on how,...
View ArticleWhere do you code in python?
Where do you code in python? I want to know whether to code directly on the console or to use text editors like edit++ or we have something similar to IDEs like eclipse,netbeans for pythons.. Thank...
View ArticleRDF - Editorial
PROBLEM LINKSPracticeContestDIFFICULTYEASYPREREQUISITESSimple Math, Dynamic ProgrammingPROBLEMYou are given a function random(N), that returns a uniform random integer between 0 and N-1.You are also...
View ArticleWhy the new CodeChef Discuss?
What is the point of having a new Discussion forum on CodeChef? The old forums became dormant. Will the same not happen to this as well?
View ArticleQuestion/Answer community vs Typical threaded discussion forum?
How is a Question/Answer community different from a typical forum?
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