Questions tagged [set]
A set is a collection in which no element is repeated, which may be able to enumerate its elements according to an ordering criterion (an "ordered set") or retain no order (an "unordered set").
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HashSet and TreeSet
I got some homework in which I had to take the novel War and Peace and put it into a HashSet and TreeSet respectively. I had to time it, to check differences and my question is whether my ...
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Nested Sets in JavaScript
I created a procedural implementation of the nested set model in JavaScript.
The use case for this small library was that the front-end(presented as an MVC) needs to traverse hierarchical data from ...
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Chack miy spellang pleez
For my CS2 project, I am supposed to implement a spell-checker. It is
supposed to follow the following:
Prompt the user for the name of the file containing the dictionary
of correctly ...
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Implementing a generic and covariant Set in Scala
I'm struggling with manually implementing a simple purely functional Set that's also generic and covariant on its type parameter:
...
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Concurrent HashSet
I've recently been using HashSet and locking on each method, I found this to not only be a lot of work (was using it in a lot of places) but I started to see inconsistency in my code.
I later decided ...
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"AI" chat program
I've thrown together this simple chat program, and while it works. I think it could certainly use some improvement. Here's how it works.
Obtain user input by removing all punctuation from the input ...
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boost::unordered_set intersection using templates
I wrote this function to do unordered_set intersection using templates. I have seen this answer but I thought that it was overkill. I would like the method to take ...
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Powerset (all subsets of a set) in Java
I am trying to get a powerset (all subsets of a set) in Java. So my logic for that is:
A given set is one subset, so add so it as it is to result.
Remove each element of set from given set and we ...
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An ordered set in C#
I need a generic data structure that ensures that its elements are unique. C# has HashSet<T>, great!
As it turns out, the elements have to stay in the order ...
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Two sets came to an intersection
Challenge:
Print set intersections.
Specifications:
Your program should accept as its first argument a path to a filename.
Each line in the file is a test case.
Each test case contain two ...
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Compressed output of set in Python
In order to provide a better output of sets with many consecutive elements (a similar class could be written for a list or tuple,...
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Is there a better way to insert an enum into a set without macros?
I created an enum for a class and in the constructor I inserted all the enum values into a set. I am wondering if there is a ...
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Sort int array by frequency then value
Problem
Take an array of ints as input and run a special sorting algorithm on it. This algorithm must first sort by int frequency, less frequent first, then sort by value.
For example ...
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Faster Way of Comparing Generic Sets
The following extension method is the limiting factor in the performance of an application I am developing, according to Visual Studio 2012 Performance Analysis profiler.
Is there a faster way to ...
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