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Re:Puzzle: 100 Prisoners and a Light Bulb by dood on Thursday November 15, 2007 @01:30PM (#80297)
A solution that takes around 12 years [http://www.algonet.se/~ug/projects/lightbulb/double.html]

I couldn't resist peeking ;)

Re:Puzzle: 100 Prisoners and a Light Bulb by shayan on Thursday November 15, 2007 @03:17PM (#80336)
hopefully we'll get the one with 3500 days too (at this point just to know we weren't fooled and wasting time)