What are the two reasons we analyze algorithms? Predict performance

Make decisions about what algorithm to use

Sorting Data

Ease of coding

Predict performance  

 Make decisions about what algorithm to use

Explanation:

to change your username, you must:

1) make sure what the username you want to change to is allowed in this community

2) contact a administrator (for example, jaysl)

3) through pm, tell the admin what you want to change to

4) if the username is allowed, it will be changed in a matter of seconds (minutes at most)

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