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» All > Computers & Internet > Algorithms [5 Forums][Track this Category]
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CodeGuru Sorting algorithm for almost sorted data?  
23:19 6-Apr-08   [Replies: 2, Views: 140]    By: TriKri
Hello! I would like to find a good sorting algorithm for sorting data that already is almost sorted. That means, an elemend is at a possition in the array that usually isn't very far from wher...
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CodeGuru Algorithm code help  
11:52 6-Apr-08   [Replies: 2, Views: 215]    By: xblade
I need to create a depth first traversal structure in psuedocode and below is what i have come up with: Code: GraphSearch(G,v,u) G Graph being searched v Node at the start of the se...
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CodeGuru Permutation procedure help needed.  
09:46 4-Apr-08   [Replies: 2, Views: 143]    By: brokendidge
Since i cannot figure it out myself i hope one of you can help me with creating the right algorhytm for a specific permutation generator. Problem: We have A = number of RED marbles in sample...
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CodeGuru Best data structure for natural numbers  
17:13 31-Mar-08   [Replies: 3, Views: 245]    By: Tig
Hi I'd like to know if there's a known "best" data structure for an ordered array of natural numbers (~100.000 length, up to 6 digits numbers). I have studied several choices but...
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CodeGuru implement Haar-like features  
15:39 30-Mar-08   [Replies: 0, Views: 168]    By: salama
Hi! Anyone knows where I could find source code (possibly Matlab ) for finding Haar-like features in an image? Or at least a detailed description of the algorithm... I've read the Viol...
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CodeGuru Alright, you have to make sure this one is right. (If correct better r..  
15:48 28-Mar-08   [Replies: 0, Views: 166]    By: JamesSchumacher
If I am not mistaken on this new implementation, I may have created a compression method that creates an output file that in itself can be compressed multiple times. I do not know if this is right...
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CodeGuru Can someone please take a look at this? (LZ implementation)  
21:16 27-Mar-08   [Replies: 0, Views: 173]    By: JamesSchumacher
Okay, I have two files here. Very basic. The problem I am having is that the input index is ending up one past the length of the buffer, therefore it is ending up 2 bytes out of bounds so to speak...
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CodeGuru Compression Theory...  
19:51 23-Mar-08   [Replies: 0, Views: 189]    By: JamesSchumacher
Tell me that my eyes are or are not deceiving me... Check this report out from a run on a modified version of LZ77 that I have created. ...
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CodeGuru NPcomplete  
02:28 21-Mar-08   [Replies: 1, Views: 132]    By: Letekio
Could you please tell me how to know my problem is NP complete ? ...
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CodeGuru Data structure identification!  
00:13 20-Mar-08   [Replies: 0, Views: 94]    By: Saeven
Am perusing through old assignments, and I can't recall what data structure, this array representation is a reflection of. Any guru ideas appreciated! setup - given a set of real numbe...
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CodeGuru amortized analysis time complexity problem  
22:35 17-Mar-08   [Replies: 1, Views: 272]    By: chits12345
Hi all Is there anybody who can solve this problem? This is not a easy problem. (At least not for me.) Here is the problem. Problem: Assume that George(S,X) is a function that ret...
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CodeGuru nth root  
05:02 15-Mar-08   [Replies: 0, Views: 94]    By: TT(n)
Does anyone have a code example of how to calculate the nth root of large numbers that have hundreds of digits? ...
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CodeGuru Guess and check algorithem help  
20:50 13-Mar-08   [Replies: 2, Views: 132]    By: Geralds Mod
I need help making an algorithm that finds 2 numbers that add to a certain number and multiply to a certain number. Something like this... Take the numbers 9 and 18 for example. I need 2 n...
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CodeGuru Trinomial factoring in C++  
18:40 13-Mar-08   [Replies: 2, Views: 104]    By: Geralds Mod
Earlier today I finished my C++ app. that factors trinomials. If you don't know what a trinomial is, it looks like this: ax^2 + bx + c When A, B and C are entered in, it factors it into ...
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CodeGuru How to move a double dimensional array along an image?  
15:19 13-Mar-08   [Replies: 5, Views: 150]    By: tommy_chai
Hi all, I am currently using template matching technique where a mouth template with the size VS2xUS2 needs to be move pixel by pixel in a clipped region with bigger size height1xwidth1 so that ...
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CodeGuru hash map not working  
02:25 12-Mar-08   [Replies: 2, Views: 114]    By: jerrro
Hello, I am having serious problems with hash maps in STL. The thing I am try to do is very simple: have a hash map with a unique key. I am sure my key is unique per object, and my equalit...
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CodeGuru LR1 Parser Generation  
22:37 7-Mar-08   [Replies: 0, Views: 133]    By: lhayes00
Hi, I am currently studying LR1 parser construction and have a question regarding shift-reduce conflicts. Shift-reduce conflicts can be resolved using precedence directives. A conflict can...
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CodeGuru Name that data structure  
16:02 6-Mar-08   [Replies: 1, Views: 104]    By: Hucoder
Hi I have a data structure that is pretty much complete and serving its purpose, but I'd like to know it's formal name. It is akin to the page frame tables used in an OS virtual memory man...
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CodeGuru Least Cost to travel from node to node  
01:37 6-Mar-08   [Replies: 3, Views: 162]    By: qiubg
There are many nodes in the map, each of which is connected to other nodes. One way traffic for all edges, for instance, from N1 to either N2 or N3, but from N2 or N3 can’t directly go back to N1....
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CodeGuru Pattern Classification Problem  
22:17 4-Mar-08   [Replies: 0, Views: 239]    By: mprathap
This is basically a pattern classification problem and would involve Bayesian classifier techniques to solve it. I know this is a very open ended question - but any response would be appreciated. ...
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CodeGuru A job interview riddle I couldn't answer  
18:47 3-Mar-08   [Replies: 4, Views: 622]    By: janemayers
I guess it won't help me now, but I'll appreciate your thoughts anyway. You are given an array with n actors, each has a weight and an age. You should build a data structure that has only ...
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CodeGuru Finding n-th largest element in two sorted lists  
12:45 2-Mar-08   [Replies: 7, Views: 211]    By: [volk]
I have a little optimization problem, I have two lists of sorted elements and I need to pick n-th largest element from both lists combined. Now, since the data in both lists changes and I do not h...
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CodeGuru Grouping colored people  
04:15 2-Mar-08   [Replies: 6, Views: 212]    By: RaymondXie
I have a question for discussion: Suppose there are a group of people wearing in different colors. They are standing in a playground according the following rules: 1. Each color stands in it...
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CodeGuru Automatic Document Image Recognition, HELP Plz  
21:07 1-Mar-08   [Replies: 0, Views: 84]    By: noga
Dear All, I have a question about forms/documents recognition systems. i want to develop an application that can automatically classify a group of documents (each document is a single page) an...
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CodeGuru simple graph  
20:38 25-Feb-08   [Replies: 2, Views: 174]    By: fairplay
Let G be a simple graph. Show that m = (n 2), and determine when equality holds. ...
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