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Re:Ask HN: What are your favorite code problems to give whil... by hoare on Friday June 12, 2015 @03:15PM (#9707960)
i guess if i say invert a binary tree i will be hunted down?:D
Re:Ask HN: What are your favorite code problems to give whil... by yankoff on Friday June 12, 2015 @03:22PM (#9708009)
a good thing is that now probably everybody knows how to solve it ;)