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2. Abstract data type - Wikipedia

   en.wikipedia.org/wiki/Abstract_data_type

   Formally, an ADT is analogous to an algebraic structure in mathematics, [5] consisting of a domain, a collection of operations, and a set of constraints the operations must satisfy. [6] The domain is often defined implicitly, for example the free object over the set of ADT operations.

3. Tree (abstract data type) - Wikipedia

   en.wikipedia.org/wiki/Tree_(abstract_data_type)

   The abstract data type (ADT) can be represented in a number of ways, including a list of parents with pointers to children, a list of children with pointers to parents, or a list of nodes and a separate list of parent-child relations (a specific type of adjacency list).

4. Data structure - Wikipedia

   en.wikipedia.org/wiki/Data_structure

   A data structure known as a hash table.. In computer science, a data structure is a data organization and storage format that is usually chosen for efficient access to data. [1] [2] [3] More precisely, a data structure is a collection of data values, the relationships among them, and the functions or operations that can be applied to the data, [4] i.e., it is an algebraic structure about data.

5. List of data structures - Wikipedia

   en.wikipedia.org/wiki/List_of_data_structures

   Array, a sequence of elements of the same type stored contiguously in memory; Record (also called a structure or struct), a collection of fields . Product type (also called a tuple), a record in which the fields are not named

6. Queue (abstract data type) - Wikipedia

   en.wikipedia.org/wiki/Queue_(abstract_data_type)

   A queue is an example of a linear data structure, or more abstractly a sequential collection. Queues are common in computer programs, where they are implemented as data structures coupled with access routines, as an abstract data structure or in object-oriented languages as classes.

7. Trie - Wikipedia

   en.wikipedia.org/wiki/Trie

   In some cases, the alphabet used is simply that of the character encoding—resulting in, for example, a size of 256 in the case of (unsigned) ASCII. [ 14 ] : 732 The null links within the children of a node emphasize the following characteristics: [ 14 ] : 734 [ 5 ] : 336

8. Associative array - Wikipedia

   en.wikipedia.org/wiki/Associative_array

   [3] [4] [5] [11] In separate chaining, the array does not store the value itself but stores a pointer to another container, usually an association list, that stores all the values matching the hash. By contrast, in open addressing, if a hash collision is found, the table seeks an empty spot in an array to store the value in a deterministic ...

9. Set (abstract data type) - Wikipedia

   en.wikipedia.org/wiki/Set_(abstract_data_type)

   [2] [3] [4] Functionally, the mutator pop can be interpreted as the pair of selectors (pick, rest), where rest returns the set consisting of all elements except for the arbitrary element. [5] Can be interpreted in terms of iterate. [a] map(F,S): returns the set of distinct values resulting from applying function F to each element of S.