Has anyone I tried any of these?

http://www.facebook.com/careers/puzzles.php

They're pretty tough. I managed to solve Hoppity Hop in Perl. I also wrote a crappy solution for Breathalyzer in C++.

However my program deviates from what Facebook expects to do, instead of recording necessary changes it corrects the word. It works interestingly though.

For example when the input is:

THISSS SENTENCEESSS ISS STOOPID

The output is:

THIS SENTENCE IS PTOSIS
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