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ALGORITHM QUESTIONS

fast sphere-grid intersection
fast sphere-grid intersection
wish help you to fix your issue There's a version of the Bresenham algorithm for drawing circles. Consider the two dimensional place at z=0 (assume the sphere is at 0,0,0 for now), and look at only the x-y plane of grid points. Starting at x= R, y=0,
TAG : algorithm
Date : October 27 2020, 03:37 PM , By : user3847954
Algorithms question/problem lists
Algorithms question/problem lists
Hope this helps A good option is Project Euler.In its own description:
TAG : algorithm
Date : October 27 2020, 03:37 PM , By : Şeyhmus Gümüş
How to Find the Right Category for Each Product?
How to Find the Right Category for Each Product?
I think the issue was by ths following , Yes, it's hard. No one agrees on the categories.The Unix "rm" command ("remove") is spelled "del" in Windows. Why? People don't agree on something that simple and obvious.
TAG : algorithm
Date : October 26 2020, 11:52 AM , By : user3848119
N-ary trees - is it symmetric or not
N-ary trees - is it symmetric or not
may help you . One way to think about this problem is to notice that a tree is symmetric if it is its own reflection, where the reflection of a tree is defined recursively: The reflection of the empty tree is itself. The reflection of a tree with roo
TAG : algorithm
Date : October 26 2020, 11:51 AM , By : Miro_sh
nth smallest element of a BST
nth smallest element of a BST
help you fix your problem A binary search tree is effectively sorted, so you just need to go through the tree in-order and get to the nth spot. If the tree is fully balanced, you can calculate the spot to get to.
TAG : algorithm
Date : October 24 2020, 11:12 AM , By : Vivek Bhati
What is an efficient search algorithm to provide auto-completion?
What is an efficient search algorithm to provide auto-completion?
will help you Using a Trie is an option but they are space-inefficient. They can be made more space effecient by using a modified version known as a Radix Tree, or Patricia Tree.A ternary search tree would probably be a better option. Here is an arti
TAG : algorithm
Date : October 23 2020, 03:00 PM , By : user11581
Finding the largest subtree in a BST
Finding the largest subtree in a BST
help you fix your problem I have posted the full solution and explanation in my blog:http://www.leetcode.com/2010/11/largest-binary-search-tree-bst-in.html
TAG : algorithm
Date : October 23 2020, 11:12 AM , By : Netgare
How can I print out all possible letter combinations a given phone number can represent?
How can I print out all possible letter combinations a given phone number can represent?
Does that help I just tried for my first programming interview and one of the questions was to write a program that given a 7 digit telephone number, could print all possible combinations of letters that each number could represent. , In Python, iter
TAG : algorithm
Date : October 22 2020, 11:12 AM , By : user3849708
Algorithm for heat map?
Algorithm for heat map?
like below fixes the issue The basic idea would be to create a grid and project every lat,lng coord to that grid. I would use a 2D array of ints.The psuedo-code would be:
TAG : algorithm
Date : October 22 2020, 11:12 AM , By : linto john
Custom paging algorithm to calculate pages to display
Custom paging algorithm to calculate pages to display
With these it helps It might be easier if you think in terms of chapters.Say each set of pages is a chapter, chapter are numbered starting from 0, 1, 2,...
TAG : algorithm
Date : October 22 2020, 11:12 AM , By : user3849638
Error Correction Advice?
Error Correction Advice?
will help you Here's a very inefficient scheme I've just thought of - Assume your original message was composed of the following bytes a(1),a(2),a(3),...,a(n), to which you add some very strong error correction code a(n+1),a(n+2),a(n+3),...,a(n+m). N
TAG : algorithm
Date : October 22 2020, 11:12 AM , By : user3849628
Suggestions for algorithmic analysis of Lisp programs?
Suggestions for algorithmic analysis of Lisp programs?
it fixes the issue Don't try to find a bottom layer of uniform “single steps”, just know what's O(1) and what's not. Addition of "larger numbers" (bignums) should be O(log n) where n is the larger of the integers. There are many different algorithms
TAG : algorithm
Date : October 21 2020, 11:12 AM , By : user3849949
Solving Recursion in fibonacci numbers
Solving Recursion in fibonacci numbers
should help you out I think you're supposed to notice that the recurrence relation for this function is awfully familiar. You can learn exactly how fast this awfully familiar recurrence grows by looking it up by name.However, if you fail to make the
TAG : algorithm
Date : October 20 2020, 11:12 PM , By : Damix
How to master in-place array modification algorithms?
How to master in-place array modification algorithms?
this one helps. I am preparing for a software job interview, and I have trouble with in-place array modifications. For example, in the out-shuffle problem you interleave two halves of an array, so that 1 2 3 4 5 6 7 8 would become 1 5 2 6 3 7 4 8. Th
TAG : algorithm
Date : October 20 2020, 11:12 PM , By : nageek17
Find the largest 10% of numbers in an array in order
Find the largest 10% of numbers in an array in order
fixed the issue. Will look into that further The quickest solution is to use the partition-based selection algorithm, which runs in O(n). It's based of the quicksort idea, except instead of sorting both partitions recursively, you only go to one of t
TAG : algorithm
Date : October 20 2020, 11:12 PM , By : user3850106
When is the appropriate time to use Radix Sort?
When is the appropriate time to use Radix Sort?
I wish this helpful for you It's great when you have a large set of data with keys that are somehow constrained. For example, when you need to order a 1-million array of 64-bit numbers, it can be used to sort by 8 least significant bits, then by the
TAG : algorithm
Date : October 20 2020, 11:12 AM , By : user3850294
What technique do I use for when I want to check all possible combinations of a set?
What technique do I use for when I want to check all possible combinations of a set?
With these it helps One handy insight is to realize that the binary representation of all numbers from 0 to (2^N)-1 is actually a set of bit masks for the possible combinations out of N distinct items. For instance, for N=3 (3 items) and thus (2^3)-1
TAG : algorithm
Date : October 20 2020, 11:12 AM , By : ulf
Pascal programming help
Pascal programming help
I wish this helpful for you I'm not really familiar with Pascal so I can't tell you how to fix this but one issue I notice is that your code seems to violate the "DRY" rule: Don't Repeat Yourself. The code inside each if amt = xxx block looks almost
TAG : algorithm
Date : October 20 2020, 11:12 AM , By : Jenna Doctoroff
Which data mining algorithm would you suggest for this particular scenario?
Which data mining algorithm would you suggest for this particular scenario?
will be helpful for those in need New answerI would try using regression, but in the manner that I specify. I would try binarizing each variable (if this is the correct term). The Internet variable is binary, but I would make it into two separate bin
TAG : algorithm
Date : October 19 2020, 11:12 PM , By : Troy B.
Mergesort to sort three input arrays
Mergesort to sort three input arrays
it fixes the issue If all that you care about are the number of array writes, the second version (three-way merge) is faster than the first algorithm (two instances of two-way merge). The three-way merge algorithm will do exactly 3n writes (where n i
TAG : algorithm
Date : October 18 2020, 11:12 AM , By : user446
Athletic Result Rating System
Athletic Result Rating System
hop of those help? Good question, but....before getting too far into this, make sure to check out Arrow's Impossibility Theorem.Other than having a great name, it states that it is impossible to create a rating or voting system that is "fair". That i
TAG : algorithm
Date : October 17 2020, 11:12 PM , By : gssi
shortest digest of a string
shortest digest of a string
it helps some times That works very poorly, when you consider the fact that characters are not in fact limited to 256; there are closer to 2^32 codepoints in Unicode; and if you try what you are planning on an UTF-8 string, it is going to blow up. In
TAG : algorithm
Date : October 17 2020, 11:12 PM , By : user3851065
Algorithm to convert any positive integer to an RGB value
Algorithm to convert any positive integer to an RGB value
Does that help You need to first find the range of those values to get the min and max. Then you need to create a colour scale like the bar below this image. You can experiment with different functions to map an integer to an RGB. You need 3 function
TAG : algorithm
Date : October 17 2020, 11:12 AM , By : user3851311
Efficiently solving sparse matrices
Efficiently solving sparse matrices
should help you out It depends not only on the size of the matrices, but also how sparse they are, and what sparseness structure they have. Obviously, you can solve a tridiagonal system much faster than a system with the same number of non-zero entri
TAG : algorithm
Date : October 17 2020, 11:12 AM , By : Ahmad Farooq
Name that technique (it may be called 'piggybacking')
Name that technique (it may be called 'piggybacking')
I wish this helpful for you This is just memoization of futures.Normal "eager" memoization works like this:
TAG : algorithm
Date : October 15 2020, 11:12 PM , By : Elroy
Computing target number from numbers in a set
Computing target number from numbers in a set
wish help you to fix your issue Well, you didn't mention efficiency so I'm going to post a really brute force solution and let you optimize it if you want to. Since you can have parantheses, it's easy to brute force it using Reverse Polish Notation:F
TAG : algorithm
Date : October 15 2020, 01:19 AM , By : Chris
Algorithm design: can you provide a solution to the multiple knapsack problem?
Algorithm design: can you provide a solution to the multiple knapsack problem?
may help you . You need http://www.or.deis.unibo.it/knapsack.html, chapter 6.6 "Multiple knapscack problem - Approximate algorithms". There is pseudo-code (Pascal style) in the text and Fortran implementations (yes, it's an old book) as a ZIP file.
TAG : algorithm
Date : October 15 2020, 01:19 AM , By : user3852260
How hard is this graph problem?
How hard is this graph problem?
wish help you to fix your issue The decision version of problem is NP-Complete for general graphs: http://users.soe.ucsc.edu/~optas/papers/G-free-complex.pdf and is applicable not just for triangles.Of course, that still does not help resolve the que
TAG : algorithm
Date : October 15 2020, 01:19 AM , By : يحيى خالد
Are there any concurrent algorithms that in use that work correctly without any synchronization?
Are there any concurrent algorithms that in use that work correctly without any synchronization?
should help you out If you can break work up into completely independent chunks, then yes there are concurrent algorithms whose only synchronisation point is the one at the end of the work where all threads join. Parallel speedup is then a factor of
TAG : algorithm
Date : October 15 2020, 01:18 AM , By : Joyrey Delena
Efficient algorithm to find a maximum common subset of two sets?
Efficient algorithm to find a maximum common subset of two sets?
around this issue Put one of the sets in a hash table and iterate through the other, discarding elements that aren't in the hash. Alternatively, sort both and iterate through them simultaneously, as in merge sort.EDIT: The latter method creates a sor
TAG : algorithm
Date : October 14 2020, 01:11 PM , By : user3852990
Relating NP-Complete problems to real world problems
Relating NP-Complete problems to real world problems
will be helpful for those in need I have found that Computers and Intractability is the definitive reference on this topic.
TAG : algorithm
Date : October 14 2020, 01:11 PM , By : Vishal Raheja
What is the name of this sequence generation problem? Any comments?
What is the name of this sequence generation problem? Any comments?
Does that help This is a Cartesian product.In Python, itertools.product produces such lists of tuples.
TAG : algorithm
Date : October 14 2020, 01:07 PM , By : user3853315
Worst case for QuickSort - when can it occur?
Worst case for QuickSort - when can it occur?
I wish this helpful for you I think people are confusing Quicksort the partition-based sorting algorithm, and "qsort" the various library implementations.I prefer to see Quicksort the algorithm as having a pluggable pivot selection algorithm, which i
TAG : algorithm
Date : October 14 2020, 12:44 PM , By : Lucas
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