Efficiency Comparison-array

Source: Internet
Author: User

 

 

Unordered Array

Ordered array

Search

Comparison times O (N)

Comparison times O (logn) <-Binary Search

Insert

O (1)

Comparison times O (N)

 

Number of moves maxo (N)

Delete

Comparison times O (N)

Comparison times O (logn)

 

Number of moves maxo (N)

Number of moves maxo (N)

Bytes ---------------------------------------------------------------------------------------------------

 

Conclusion

Ordered arrays are useful when queries are frequent and insertion or deletion is frequent and cannot work efficiently.

Unordered arrays cannot work efficiently when they are inserted frequently.

 

Array Defects

After being created, the size and size are fixed. When the program starts designing, you do not know how many data items will be put into the array.

 

Bytes ---------------------------------------------------------------------------------------------------

 

 

Efficiency Comparison-array

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