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DBOY-wrong ans

Someone please tell ,what is the problem in the logic of the following code : http://www.codechef.com/viewsolution/3499725or please provide me with some test case where my code fails.problem link :...

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STANDUP - Editorial

PROBLEM LINKSPracticeContestDIFFICULTYMEDIUMPREREQUISITESDynamic Programming, Simple MathPROBLEM(Although the problem is stated slightly differently, I believe this interpretation of the problem is...

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Dementia Problem MULFACT

What is wrong with my solution. I can't figure out what was wrong./* ashish1610 */ #include<bits/stdc++.h> using namespace std; #define mod 329885391853 /* fast input */ inline void inp(long long...

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racing horses easy

Dont know whats wrong with my solution pls help http://www.codechef.com/viewsolution/3500187algo i used is1>sorted the array2>found the minval from the sorted set by taking difference of each...

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TLE in DEMENTIA14 MULFACT

I have submitted the solution for the problem MULFACT but it got TLE.Here's my code :#include<`bits/stdc++.h`> using namespace std; #define MOD 329885391853 #define LL unsigned long long LL...

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LMATRIX2-Editorial

PROBLEM LINK:PracticeContestAuthor:Ivan ZdomskyTester:Hiroto Sekido, Gerald AgapovEditorialist:Ajay K. VermaDIFFICULTY:ChallengePREREQUISITES:Chinese Remainder TheoremPROBLEM:We are given a rectangle...

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treasure hunting

can any one give me the algorithm how to solve the given problem???Treasure Hunting is a great computer game that has attracted generations of Bytelandian children.In the game, there is a maze divided...

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hotel bytelandia easy

In this problem http://www.codechef.com/problems/HOTELthe 5th guest in the third sample input is arriving at 2 and leaving at 9 according to me there are 3 more guest arriving at the same time period...

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getting tle polo the penguin and test

problem link: www.codechef.com/problems/PPTESTmy code: http://www.codechef.com/viewsolution/3500235PLEASE HELP OPTIMIZE MY CODETHANKS IN ADVANCE!!

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Dementia 2014: Snow leopard and addition of numbers

Please explain the logic of the problem http://www.codechef.com/DMNT2014/problems/REVADD/

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find prime numbers fast by Sieve of Eratosthenes method

please can anybody explain Sieve of Eratosthenes method for finding prime numbers fast in c

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How do I submit a solution in Java?

The only example I can see is source code for a single class. My solution uses multiple classes. How do I submit this when only a single file can be uploaded? I have tried putting all source in a zip...

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Qsort function in C

how does the qsort function work in Cqsort( s , n , sizeof(struct coord) , compare );how can one manipulate the compare function in qsort while sorting structure rather than a array like above and how...

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In Dementia2014/Mulfact how does one arrive at conclusion that that...

question link http://www.codechef.com/DMNT2014/problems/MULFACT. I got the concept(after the event :( ) but what I couldn't understand was as to how coders get to conclusion that after n=999983 all...

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Dementia 2014 SNOWWAVE

problem link Having a look at the AC submissions, it appears that the solution to this problem is (n - length of longest increasing sub-sequence). But how does it handle the cases like array : 3 1 2 3...

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A tutorial on the Extended Euclid's Algorithm

Hello @all,Following my previous tutorial on Repeated Squaring, I will now focus on the Extended Euclid's Algorithm, which as you will be able to see, can be seen as the reciprocal of modular...

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NZEC error in java in FARASA

I am new to the concept of Fast Fourier Transformation. So I looked up at the codes of few very good coders like Ankit Shrivastava. In the solution of Ankit Shrivastava with solution link :...

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How to add bits/stdc++.h in Dev C++

I guess the #inlude<bits stdc++.h=""> is not present for Dev C++. Can anyone please help me out? Is there anyway in which we can do it manually?

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select language

where do i select the language like C or c++i only know about C and C++, not about something like gcc 4.8.1 or something like that...

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where wrong

well,i was trying this question:https://www.hackerrank.com/contests/may13/challenges/equal and i am getting wrong answer for two test cases can someone tell me where this program is going wrong along...

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