An array or a linked list?

Source: Internet
Author: User

1. What are arrays and linked lists?

Arrays and linked lists are 2 of this different data structure. Data structures can be simply understood as the relationships between them. An array is a structure of connections in memory, and a linked list can be a discontinuous structure. There are other differences between the two:

A. Arrays are statically allocated content, and linked lists are dynamically allocated memory.

B. To get the nth element in the structure according to the subscript, the time of the array is read as O (1) and the complexity of the list is O (n).

C. To revise the nth element, the time complexity of the array is O (n), the time of the linked list is read as O (1)

2. Graph comparison:

Reference: http://blog.csdn.net/amork/article/details/7258216

An array or a linked list?

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