With examples in C#
The rules to break and
how to break them
Sedat Kapanoglu
˘
M A N N I N G
Impact of complexity on performance
Search algorithm
Complexity
Time to find a record among 60 rows
The DIY quantum computer Lisa’s uncle has in his garage
O(1)
1 second
Binary search
O(log N)
6 seconds
Linear search (because your boss asked you to do it an
O(N)
60 seconds
hour before the presentation)
The intern accidentally nested two for loops.
O(N2)
1 hour
Some randomly pasted code from Stack Overflow that also
O(2N)
36.5 billion years
finds a solution to some chess problem while searching,
but the developer didn’t bother to remove that part.
Instead of finding the actual record, the algorithm tries to O(N!)
The end of the universe, but still
find the arrangement of records that spell out the record before those monkeys finish their
you’re looking for when sorted in a certain way. The good so-called Shakespeare
news is that the developer doesn’t work here anymore.
Street Coder
THE RULES TO BREAK AND HOW TO BREAK THEM
SEDAT KAPANOĞLU
M A N N I N G
SHELTER ISLAND
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