Rocket Fuel interview question
The somewhat tired, four people need to cross a bridge which can only support two people at a time plus the lantern they need to see their footing. How long does it take if Person 1 takes 1 minute to cross, #2 takes 5 minutes to cross, #3 takes five minutes, and #4 takes 10 minutes.
Interview Answers
Anonymous
15 Aug 2013
After asking several qualifying questions and not getting clear/good answers I was able to walk the interviewer through 3 different scenarios. As more details were revealed, the time to cross grew.