Data Structures and Algorithms

Stacks and Queues

Feb 122018

A list can do everything an array can do, and more; the array data type is strictly “less useful” than the list data type. However, the array data structure is both faster and uses less memory than any list data structure.(1) This is common: if a data type supports fewer operations, then programmers who use that type have less freedom, but programmers who implement it (or choose an implementation) have more freedom. A data structure supporting fewer operations can often be more efficient in speed, memory use, or both; or, if you want more operations supported, expect a lower efficiency.


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