Classification or data structure
数据结构s are normally divided into two broad categories.
1个原始数据结构
2非原始数据结构/复合材料结构
Primitive Data Structure
这些是基本结构，并由机器指令直接操作。通常，这些在不同计算机上具有不同的表示。整数浮动 - 点数字符常数字符串常数指针等属于此类别。您已经在计算机存储器中表示的方式不足。
Non-Primitive Data Structures
这些是更复杂的数据结构。这些来自原始数据结构。非主要数据结构强调了一组均质（相同类型）或异质（不同类型）数据项的结构。数组，列表和文件是示例。
The design of an efficient data structure must take operations to be performed on the data structure into account. For example, consider a data structure consisting of a set of data items. The data structure is to be manipulated in a number of major program functions. After evaluating the operations to be performed on the data structure an abstract data type is defined to use it in subsequent programs.
The most commonly used operations on data structure are broadly categorized into four types.
1创建
2销毁或删除
3 SELECTIONS
4更新
The CREATE operation results in reserving memory for the program elements. This can be done by declaration statement. The creation of data structure may take place either during compile-time or during run-time. On the other hand, DESTROY operation destroys the memory space allocated for the specified data structure. Malloc and free function of C language are used for these two operations respectively (as far as dynamic memory allocation and deal location is concerned)
The SELECTION operation deals with accessing a particular data within a data structure. And the last operation UPDATE as the name implies, it updates or modifies the data in the data structures. Probably new data may be entered or previously stored data may be deleted.
Other operations performed on data structure include:
Searching
Sorting
Merging
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