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» All > Computers & Internet > Algorithms [5 Forums][Track this Category]
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CodeGuru Hashing based on address as the key  
10:56 2-Dec-07   [Replies: 3, Views: 176]    By: sunilsbjoshi
Hi, I am in search of few good hahing functions. The input key will be the address of the variable, based on that the hashing needs to be performed. One technique I now currently is :http:...
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CodeGuru Q-learning  
04:39 1-Dec-07   [Replies: 3, Views: 199]    By: Lindley
I'm a bit confused about what the update sequence is when doing q-learning. Should one update states in a path as if walking through it (eg, always take the current best transition)? Or just u...
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CodeGuru Easiest implementation of StretchBlt ever?  
22:28 28-Nov-07   [Replies: 0, Views: 109]    By: JamesSchumacher
Code: // Alot of functions removed from interface to illustrate point. class CSurface { public: // Construction/Destruction CSurface(unsigned long dwWidth,unsigned long dwHei...
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CodeGuru i dont understand  
03:48 25-Nov-07   [Replies: 5, Views: 316]    By: forgottenhart
Understanding how to determine runtime behavior for algorithms you develop is extremely important. Conversely, understanding the runtime of known algorithms and data structures is vital to choosin...
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CodeGuru Connected Component Labelling  
10:14 23-Nov-07   [Replies: 0, Views: 140]    By: tommy_chai
Hi all, I have done few lines of codes to get the largest connected components of this image which appears to be lips. The image is "label Code: [L,n] = bwlabel(I2,4); figure(4...
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CodeGuru Read & write multiple images by single execution(Matlab)?  
05:03 23-Nov-07   [Replies: 9, Views: 327]    By: tommy_chai
Hi all, I am new in Matlab. Code: for img=1:5 a=imread(['input\m',int2str(img),'.pgm']); : : imwrite(I2,['result\m',int2str(img),'.pgm']); end My code can only run if i ch...
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CodeGuru I need boyer moore alogritim for hex string search  
04:12 22-Nov-07   [Replies: 1, Views: 240]    By: vport
Hi I need boyer moore alogrithim for hex string search ( as implemneted in hex or binary editors) .I want to to serach hex string in byte array .Any one can help me .. ...
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CodeGuru lossy TEXT algorithm  
21:35 21-Nov-07   [Replies: 5, Views: 190]    By: yanfog
does anyone know some algorithm for compresion text. i want this algorithm to be lossy(not like hufman). thanks. ...
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CodeGuru HSV or RGB for Lips detection?  
15:21 21-Nov-07   [Replies: 7, Views: 157]    By: tommy_chai
Dear all, I have HSV algorithm posted under "color detection algorithm" but i failed to locate the lips as i did by using RGB algorithm. I set the H to 0.1 but still with the same re...
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CodeGuru Qix algorithm and logic???  
08:07 21-Nov-07   [Replies: 0, Views: 96]    By: xmrxcux
Does anyone know how I would set up a Qix like game? Its and old arcade ame where u draw lines. How would I bind the player to the shape of the polygons and how would i check which areas are fille...
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CodeGuru Best Moves  
04:58 21-Nov-07   [Replies: 0, Views: 100]    By: AltPluzF4
I'm having a bit of trouble finding a way to find the best series of "moves." I have a function that I can pass through a "board" (which is just a 2D array listing all number...
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CodeGuru Find sets on grid  
13:24 20-Nov-07   [Replies: 2, Views: 102]    By: AltPluzF4
Ok, I have a 10x10 2D array serving as a grid. 1's are randomly placed in the grid, and the rest is blank. I'm having trouble finding a way to find sets of 1's. I'm able (via a 'Touching' ...
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CodeGuru how to implement the defined function by yourself?  
15:45 16-Nov-07   [Replies: 1, Views: 170]    By: kingink1983
As we Know,the function char *strtok( char *strToken, const char *strDelimit ) is defined in the function lib.But if I dont allow you use the function ,instead you implement the same function a...
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CodeGuru Employee Scheduling Problem  
12:50 14-Nov-07   [Replies: 1, Views: 296]    By: hussainzim
i have to develop a system which schedules employees after evaluating their performance. Performance part is done where results will be between 1-5. 1-Poor 2-Weak 3-Satisfactory 4-Good ...
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CodeGuru Input on a RPG damage algorithm...  
00:16 14-Nov-07   [Replies: 2, Views: 104]    By: JamesSchumacher
Do you think this is a balanced damage algorithm for a game that is designed to have rated weapon damages? Code: #include <iostream> unsigned long __stdcall CalcDamage(unsigned...
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CodeGuru find out the minimum absolute value of 3-elements from n elements  
13:16 12-Nov-07   [Replies: 5, Views: 232]    By: tianqio
Does there exist any algorithm can do this in less than o(n^3) time ? thanks. ...
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CodeGuru print a matrix in spiral order  
13:05 12-Nov-07   [Replies: 0, Views: 188]    By: tianqio
hi all , there is a problem which demands print a matrix in spiral order, for example if the matrix is like the one below: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 ...
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CodeGuru Stack implemented by dynamic array problem  
20:19 11-Nov-07   [Replies: 1, Views: 87]    By: arthur17
We now consider a stack implemented using a dynamic array. In this stack as items are pushed and the stack fills up, we will double the length of the array. Now however, as items are popped and th...
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CodeGuru Netowrk "Routing" Algorithm  
13:12 8-Nov-07   [Replies: 2, Views: 237]    By: tomercagan
Hi, I have a task at work relating finding the two shortest paths with enough capacity between two nodes in a network. The two paths can not contain the same nodes. The distance between co...
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CodeGuru Algorithm to find maximum space utilization  
07:22 8-Nov-07   [Replies: 2, Views: 194]    By: Baller2004
The problem you are describing is a variation of the Knapsack Problem [http://en.wikipedia.org/wiki/Knapsack_problem]>, and as such it is classified as NP-Hard. This means that it is unlikely that...
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CodeGuru passing a struct through a function in C  
20:03 5-Nov-07   [Replies: 1, Views: 116]    By: Mukhiwa
Small problem here, need ideas. i'm using a struct to read a text file of the format 4 Atomic Cluster O -0.028882 -0.317470 0.526009 O 0.887822 0.327691 0.464289 O 0.956723 -0.765947 0...
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CodeGuru Time estimate problem  
06:46 4-Nov-07   [Replies: 0, Views: 98]    By: friendyou
I have a problem as following: I have a list of roads to form a network. Each road has length, speed, and a list of unavailable time slots (start time, end time). The speed could vary...
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3D Buzz bitwise logic - extracting ascii from DTP files  
16:45 2-Nov-07   [Replies: 7, Views: 450]    By: 3dBuzzUser42
I am looking for a way to extract the ascii printable characters from binary DTP files and storing them in a .txt file so that google desktop search will index them. That said, rather than the...
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CodeGuru Distinguishing MergeSort (Recursive and Nonrecursive)  
12:17 1-Nov-07   [Replies: 1, Views: 312]    By: akokskis
Hi folks, I've got a pre-compiled java .class file, and looking to distinguish between a number of different algorithms. I've managed to get most of them down, however, I'm having some trouble ...
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CodeGuru Two algorithm problems - need a hint :)  
21:04 29-Oct-07   [Replies: 2, Views: 239]    By: Remxo
Hello! I've got a small problem in my program I am writing for a school project. I'm given n numbers and my algorithm needs to find the smallest number of "moves" (a move is +1 or -1...
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