Recent questions tagged algorithm

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algorithm - How to check whether two lists are circularly identical in Python

For instance, I have lists: a[0] = [1, 1, 1, 0, 0] a[1] = [1, 1, 0, 0, 1] a[2 ... less computations? Or any data types that supports circular? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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algorithm - Geo Fencing - point inside/outside polygon

I would like to determine a polygon and implement an algorithm which would check if a point is inside or ... available of any similar algorithm? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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algorithm - Obfuscating an ID

I'm looking for a way to encrypt/obfuscate an integer ID into another integer. More precisely, I need a function ... a progression of any kind. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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algorithm - Mesh generation from points with x, y and z coordinates

Problem: Mesh generation from 3D points (with x, y and z coordinates). What I have is points in 3D space ( ... for 2D points can be found here See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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algorithm - Peak detection of measured signal

We use a data acquisition card to take readings from a device that increases its signal to a peak and ... involved rather than specific code. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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algorithm - Performing Breadth First Search recursively

Let's say you wanted to implement a breadth-first search of a binary tree recursively. How would you go ... call-stack as auxiliary storage? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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algorithm - Find the 2nd largest element in an array with minimum number of comparisons

For an array of size N, what is the number of comparisons required? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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algorithm - How to implement tag system

I was wondering what the best way is to implement a tag system, like the one used on SO. I was ... important that the query executes fast. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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algorithm - Skip List vs. Binary Search Tree

I recently came across the data structure known as a skip list. It seems to have very similar behavior to a ... list over a binary search tree? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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algorithm - RGB value base color name

I want to find color name , given its rgb value . Example RGB value is : (237, 65, 83) Predefined Values ... , $computedS, $computedV); } ?> See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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algorithm - sorting integers in order lowest to highest java

These numbers are stored in the same integer variable. How would I go about sorting the integers in order ... 11421 11530 11491 11218 11789 See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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algorithm - Java - Sort one array based on values of another array?

I have an array of Strings that are instances of a class from external code that I would rather not change. I also have ... A[B.indexOf(b)];}); See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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algorithm - C++: Converting Hexadecimal to Decimal

I'm looking for a way to convert hex(hexadecimal) to dec(decimal) easily. I found an easy way to do this like : ... < endl; and it doesn't work. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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algorithm - Learning Insertion Sort in Ruby

I have just started the MIT Introduction to Algorithms course through the material posted online. Along with the ... be very much appreciated. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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algorithm - Order Statistic Tree in C++

I need an order statistic tree for standard GCC STL map containers. I checked and there is something known as PBDS. ... on GNU G++ its enough? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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algorithm - Sorting Array with JavaScript reduce function

Often I study some JavaScript interview questions, suddenly I saw a question about usage of reduce function for ... to improve other algorithms? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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algorithm - Calculating permutations in F#

Inspired by this question and answer, how do I create a generic permutations algorithm in F#? Google doesn't ... is better (certainly shorter!) See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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367 views

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algorithm - fitting n variable height images into 3 (similar length) column layout

I'm looking to make a 3-column layout similar to that of piccsy.com. Given a number of images of the same ... for your help in advance! Martin See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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647 views

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algorithm - Rolling median in C - Turlach implementation

Does anyone know if there is a clean implementation of the Turlach rolling median algorithm in C? I'm ... the image processing toolbox. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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algorithm - Complexity of list.index(x) in Python

I'm referring to this: http://docs.python.org/tutorial/datastructures.html What would be the running time of list. ... terms of big O notation? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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algorithm - Generating a uniform distribution of INTEGERS in C

I've written a C function that I think selects integers from a uniform distribution with range [rangeLow, ... random floating-point numbers. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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algorithm - Finding multiple entries with binary search

I use standard binary search to quickly return a single object in a sorted list (with respect to a sortable property ... should I best do this? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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algorithm - In Python, how do you find the index of the first value greater than a threshold in a sorted list?

In Python, how do you find the index of the first value greater than a threshold in a sorted list? I ... experienced SOers can help! Thanks! See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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530 views

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algorithm - Creating a random number generator from a coin toss

Yesterday i had this interview question, which I couldn't fully answer: Given a function f() = 0 or 1 with ... . Does anyone know a solution? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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algorithm - Iterating over a Binary Tree with O(1) Auxiliary Space

Is it possible to iterate over a binary tree in O(1) auxiliary space (w/o using a stack, queue, etc.) ... on, please assume this when answering. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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algorithm - implementing debounce in Java

For some code I'm writing I could use a nice general implementation of debounce in Java. public interface ... How would you implement that? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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algorithm - Most efficient way to calculate Levenshtein distance

I just implemented a best match file search algorithm to find the closest match to a string in a dictionary. After ... .min(n2, n3)); } See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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580 views

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algorithm - Adjacency List and Adjacency Matrix in Python

Hello I understand the concepts of adjacency list and matrix but I am confused as to how to implement them in ... much appreciated, Thank you! See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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