data-structures

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Recurrence Relations in Data Structures

In my Data Structures Cla开发者_如何学Goss, we\'re looking at recurrence relations like T(n) and big O problems O(n). I\'d appreciate any resources for learning these, my textbook doesn\'t cover T(n),[详细]

2023-04-09 11:01 分类：问答
Graph Representation in C++

I am g开发者_Python百科oing through a book The Design and Analysis of Computer Algorithms Reading through the Graph chapter, I am trying to implement DFS. By Reading definition of this algorithm it sa[详细]

2023-04-09 04:19 分类：问答
Best way to initialize a HashMap

I usually do e.g. HashMap<String,String> dictionary = new HashMap<String,String>(); I started to think about it, and as far as I know a HashMap is implemented under the hood via a hash[详细]

2023-04-08 19:09 分类：问答
Java Text Reader

I want to make a program that read the inputed text and parse every word and store it in a data structure, so i can later have some statistics about that (frequency of words, most common word etc).[详细]

2023-04-08 13:26 分类：问答
What is an alternative set-like data structure when modifying elements is necessary?

STL sets are designed so that it is not possible to modify the elements in the set (with good reason, see stackoverflow).Suppose howeve开发者_运维知识库r I have a structure in which only one of the me[详细]

2023-04-08 12:34 分类：问答
Calculate each Word Occurrence in large document

I was wondering how can I solve this problem by using which data structure.. Can anyone explain this in detail...!! I was thinking to use tree.[详细]

2023-04-08 10:07 分类：问答
min/max number of records on a B+Tree?

I was looking at the best & worst case scenarios for a B+Tree (http://en.wikipedia.org/wiki/B-tree#Best_case_and_worst_case_heights) but I don\'t know how to use this formula with the information[详细]

2023-04-08 09:17 分类：问答
Best R data structure to return table value counts

The following function returns a data.frame with two columns: fetch_count_by_day=function(con){ q=\"SELECT t,count(*) AS count FROM data GROUP BY t\"[详细]

2023-04-07 18:19 分类：问答
Optimal data structure for a special dictionary

Which data structure is best in terms of computational complexity to implement a dictionary of (key,val) items, which must support only following commands:[详细]

2023-04-07 15:25 分类：问答
Time analysis of binary search tree operations

I read about binary search trees that if it is a complete tree (all nodes except leaf nodes have two children) having n nodes, then no path can have more than 1+log n nodes.[详细]

2023-04-07 11:46 分类：问答