Data structure supporting the following operations

Posted by 500865 on Programmers See other posts from Programmers or by 500865
Published on 2013-11-06T01:44:24Z Indexed on 2013/11/06 4:16 UTC
Read the original article Hit count: 152

Filed under:

data-structures

I'm looking for a data structure for working with a set of data which is most efficient to do the following :

Check whether an item has been categorized or not. (The categorized and uncategorized set are disjoint sets).
Get the category of an item.
Get all the items in a particular category.
Get all the uncategorized items.
Remove a particular item from the data set.

I was thinking of having a Dictionary<String, Set<String>> to hold all the items in a given category, but that doesn't solve 2.

Related posts about data-structures

Clever ways of implementing different data structures in C & data structures that should be used mor

as seen on Stack Overflow - Search for 'Stack Overflow'
What are some clever (not ordinary) ways of implementing data structures in C, and what are some data structures that should be used more often? For example, what is the most effective way (generating minimal overhead) to implement a directed and cyclic graph with weighted edges in C? I know that… >>> More
Is there a way to track data structure dependencies from the database, through the tiers, all the way out to a web page?

as seen on Programmers - Search for 'Programmers'
When we design applications, we generally end up with the same tiered sets of data structures: A persistent data structure that is described using DDL and implemented as RDBMS tables and columns. A set of domain objects that consist primarily of data structures, usually combined with business-rule… >>> More
Why are data structures so important in interviews?

as seen on Programmers - Search for 'Programmers'
I am a newbie into the corporate world recently graduated in computers. I am a java/groovy developer. I am a quick learner and I can learn new frameworks, APIs or even programming languages within considerably short amount of time. Albeit that, I must confess that I was not so strong in data structures… >>> More
Thread-safe data structures

as seen on Stack Overflow - Search for 'Stack Overflow'
Hello, I have to design a data structure that is to be used in a multi-threaded environment. The basic API is simple: insert element, remove element, retrieve element, check that element exists. The structure's implementation uses implicit locking to guarantee the atomicity of a single API call.… >>> More
Data Structures

as seen on Stack Overflow - Search for 'Stack Overflow'
There is a large stream of numbers coming in such as 5 6 7 2 3 1 2 3 .. What kind of data structure is suitable for this problem given the constraints that elements must be inserted in descending order and duplicates should be eliminated. I am not looking for any code just ideas? I was thinking… >>> More

Developer IT

Data structure supporting the following operations - Developer IT

Data structure supporting the following operations

data-structures

Related posts about data-structures

Clever ways of implementing different data structures in C & data structures that should be used mor

Is there a way to track data structure dependencies from the database, through the tiers, all the way out to a web page?

Why are data structures so important in interviews?

Thread-safe data structures

Data Structures

Categories cloud