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» All > Computers & Internet > Algorithms [5 Forums][Track this Category]
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CodeGuru A puzzle and Big O  
15:03 31-Jan-08   [Replies: 2, Views: 149]    By: DeepT
You are correct sir. ...
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CodeGuru binary tree traversal left to right leaves to root  
09:32 31-Jan-08   [Replies: 3, Views: 320]    By: chickenandfries
Is there an algorithm that traverses a tree left to right from the leaves to the root? It's like reverse level order traversal but instead of right to left the traversal would be left to right. If...
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CodeGuru Polynomial problems  
14:13 28-Jan-08   [Replies: 7, Views: 305]    By: ngolehung84
Hi MikeAThon, I really dont know about nomenclature. What does the part of my code make you be confused? Thanks. ...
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CodeGuru iterative postorder growing of trees, unknown size of tree  
04:34 27-Jan-08   [Replies: 1, Views: 225]    By: chickenandfries
Given an input of a string, how do i put its characters in a binary tree in iterative postorder? The length of the string is one less than a power of 2 (e.g. 0, 1, 3, 7, 15..), so the resulting tr...
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CodeGuru Optimal distribution by blocks  
07:56 25-Jan-08   [Replies: 1, Views: 96]    By: KellyLynch
I have the following task. I have an array of non-negative numbers, let us name it A. For instance: {30, 3, 2892}. In fact, each of the numbers is count of some objects (it does not matter – which...
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CodeGuru How to prove NP-Completeness  
02:38 25-Jan-08   [Replies: 4, Views: 147]    By: lightshine
how do i show that the VERTEX-COVER problem remains NP-complete even when restricted to inputs consisting of graphs such that all vertices have even degree?? ...
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CodeGuru Finding a sub-array that sums to y  
18:23 24-Jan-08   [Replies: 1, Views: 148]    By: yackles
I am doing my taxes and have a long list of fractional shares sold as a result of dividend reinvestment. In order to reconcile the sale transactions, I need to be able to assemble the fractional ...
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CodeGuru Finding a sub-array that sums to y  
18:23 24-Jan-08   [Replies: 2, Views: 113]    By: yackles
I am doing my taxes and have a long list of fractional shares sold as a result of dividend reinvestment. In order to reconcile the sale transactions, I need to be able to assemble the fractional ...
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CodeGuru Is there any algorithm for this kind of a problem?  
01:32 17-Jan-08   [Replies: 16, Views: 850]    By: legend986
I have a dataset from which I want to distribute some resources amongst some participants. I have the following say: Seller: Group ID | Serial Number | Stock Buyer: Group ID | Serial N...
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CodeGuru multiplicative inverse finding algorithm!!  
07:08 12-Jan-08   [Replies: 0, Views: 191]    By: Rakhal
I am trying to implement RSA for my FPGA. And there is a inverse modulo operation that is bugging me for 3 days now, problem is-- (551)^-1 mod 1517 = 1082 !! i dont know how, but th...
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CodeGuru multiplicative inverse finding algorithm  
07:08 12-Jan-08   [Replies: 3, Views: 337]    By: Rakhal
I am trying to implement RSA for my FPGA. And there is a inverse modulo operation that is bugging me for 3 days now, problem is-- (551)^-1 mod 1517 = 1082 !! i dont know how, but ...
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CodeGuru practical vs. theoretical running time  
07:38 8-Jan-08   [Replies: 3, Views: 146]    By: lewen
Hello, I was given an assignment by my teacher to implement some algorithm and analyze its practical running time versus theoretical. With algorithms running in O(n^2) it's seems to be ra...
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CodeGuru pointers concept  
04:38 8-Jan-08   [Replies: 1, Views: 108]    By: snowyee
hi..im very new to data structures.... can someone explain this coding....thanks in advance void PrintRxData(RX_DATA_STRUCT* pRx) { api_header_t* pri; USHORT datlen, ln; PUC...
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CodeGuru Help de-noise algorithm (fixed form threshold)  
20:54 2-Jan-08   [Replies: 1, Views: 186]    By: neoideo
hi, im working on signals, here is an introduction to the context where i am. im my work there is a 1-dimension camera that takes pictues in black and white. so when i take a picture , i g...
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CodeGuru algorithm help  
02:47 31-Dec-07   [Replies: 7, Views: 228]    By: ghostrider_84
hey guyz...am new to this forum and also programmin i have an assignment due on jan 3rd...its jss an algorithm...i hope someone can help me... the algorithm is... In English, provide a...
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CodeGuru Where Can I get the Data Structures Ebook with Free ?  
17:37 27-Dec-07   [Replies: 1, Views: 141]    By: vsubramaniam
Hi All, i am new to this fourm . i want to know aout the Data structures fully . where can i get free E book data structures ? If you know any body kindly tell me .... Rega...
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CodeGuru Katz Smoothing  
14:26 27-Dec-07   [Replies: 0, Views: 106]    By: determinedCoder
Hi everyone, I'm new to this forum, so please bear with me :-) I'm working on Katz smoothing with Good Turing discounting for a project of mine. If anyone else has worked with this algorit...
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CodeGuru data structure for finding proximity  
04:59 18-Dec-07   [Replies: 1, Views: 255]    By: underthesun
Hello all, Suppose I have a collection of coordinates (in x, y).. do you think quadtrees are good for figuring out the n closest coordinates to a particular one? This stemmed off from a cl...
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CodeGuru Help with convolution algorithm  
18:56 13-Dec-07   [Replies: 1, Views: 164]    By: diehardii
Hi guys, I've been banging my head against the wall trying to convolve two data sets. They are of equal length. One is a gaussian, and the other is a Lorentzian. I haven't been able to get it...
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CodeGuru Plotting large data sets in small spaces  
14:52 12-Dec-07   [Replies: 2, Views: 166]    By: evanandr
I'm currently working with a USB based oscilloscope and writing a plot program to display the oscope trace. Data values from the oscope come in the form of 'ADC counts' (32768 to -32768). We then...
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CodeGuru Fast Marching Method  
05:20 12-Dec-07   [Replies: 2, Views: 157]    By: Lindley
I'm trying to figure out the Fast Marching Method. Two things have become apparent: 1) I need a data structure which is a heap according to one key (arrival time), has an increase_key function...
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CodeGuru Parallel Programming with MPI  
23:31 10-Dec-07   [Replies: 0, Views: 112]    By: fun2code
Hi, I have recently tried coding small algorithms with multithreading, using pthreads. I found it very interesting. I want to implement more algorithms or parallelize existing ones to learn mo...
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CodeGuru partion  
09:46 8-Dec-07   [Replies: 2, Views: 158]    By: John3
Do mean that if i have Array 1: 2 4 6 Array 2: 1 3 5 7 Add the two arrays 1 3 5 7 2 4 6 // counter = 7 Go to array[3] All the little -> left All the large-...
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CodeGuru Matrices multiplication algorithm  
06:20 8-Dec-07   [Replies: 4, Views: 218]    By: j.gohel
I have just started learning Algorithms. And i have got stucked at on point. Actually in the book which i am referring there is an exercise of multiplying 2 matrices i.e one matrix is (m b...
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CodeGuru Rotating of a pool ball  
23:49 2-Dec-07   [Replies: 8, Views: 204]    By: dezo
Hi, I'm trying to create a simple pool game. The ball is moving with speed vx along x axis and vy along y axis. This way I can easily compute the rotation in x and y direction. But how can I com...
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