Here, I’ll do you one better.

Um — why stop at logarithmic? Don’t you mean O(1)?
60
1
Dan Greenfield
Greg Kennedy
·Follow
1 min read·
Oct 10, 2018
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Here, I’ll do you one better.
Solve the problem any way you damn like. Note the value calculated (e.g. 3,484).
Replace the entire thing with #define countPhoneNumbers() 3484
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Written by Greg Kennedy40 Followers
·22 Following
Dad, programmer.
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