What is the study of data structures?

Data structure is to study the logical structure of data and the physical structure of data and the relationship between them, to define appropriate operations for this structure, to design corresponding algorithms, and to ensure that after these operations The resulting new structure still maintains the original structure type.

Data structure is the study of the logical structure of data and the physical structure of data and the relationship between them, and adapting to the definition of this structure operations, design corresponding algorithms, and ensure that the new structure obtained after these operations still maintains the original structure type.

Related introduction:

Data structure is the way computers store and organize data. A data structure refers to a collection of data elements that have one or more specific relationships with each other.

Usually, carefully selected data structures can bring higher operating or storage efficiency. Data structures are often related to efficient retrieval algorithms and indexing techniques.

Generally speaking, data can be simply classified according to its logical structure, including linear structure and nonlinear structure. Let’s introduce them respectively below:

1. Linear structure

Simply put, the linear structure means that each node in the table has a linear relationship. If described in the language of data structure, the linear structure should include the following points:

1. The linear structure is a non-empty set.

2. The linear structure has one and only one start node and one terminal node.

3. All nodes in the linear structure have at most one direct predecessor node and one direct successor node.

Linear tables are typical linear structures, and stacks, queues, strings, etc. are all linear structures.

2. Non-linear structure

Simply put, the non-linear structure means that there are multiple corresponding relationships between each node in the table. If described in the language of data structure, the nonlinear structure should include the following points:

1. The nonlinear structure is a non-empty set.

2. A node in a nonlinear structure may have multiple direct predecessor nodes and multiple direct successor nodes.

In practical applications, data structures such as arrays, generalized tables, tree structures, and graph structures are all nonlinear structures.

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