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Egg drop (Posted on 2002-10-01) Difficulty: 3 of 5
You have two identical eggs, and are given the task of figuring out the highest floor of a 100-story building from which an egg can be dropped safely (meaning that it doesn't break). You have no prior information about this matter, so for all you know a fall from the first floor might break the egg, but then again, it might be strong enough to survive a 100-story drop.

You need to conduct experiments by dropping the eggs from various levels in the building to solve the problem. You are allowed to break both eggs as long as you come up with an answer.

Find a strategy to minimize the maximum number of drops you would have to do. What is this number? (For example if your strategy is dropping an egg from first, then second, then third floors, and so on until it breaks, the maximum number of drops is 100.)

See The Solution Submitted by levik    
Rating: 3.8750 (8 votes)

Comments: ( You must be logged in to post comments.)
  Subject Author Date
Some ThoughtsPuzzle Thoughts K Sengupta2023-06-10 00:26:53
i think i got itJak Dakars2005-08-22 00:23:27
Some ThoughtsPossible answerEric2003-07-03 15:46:54
re: More thoughtsCheradenine2002-10-02 03:03:16
More thoughtsEnder2002-10-01 12:38:47
fl: explanation attemptCheradenine2002-10-01 07:46:40
re(3):levik2002-10-01 07:46:29
re(2):Cheradenine2002-10-01 07:25:15
Questionre:friedlinguini2002-10-01 07:14:26
Some ThoughtsNo SubjectCheradenine2002-10-01 07:12:09
re: Another thing you could dolevik2002-10-01 06:48:02
Some ThoughtsSolutionEnder2002-10-01 06:46:03
Some ThoughtsAnother thing you could doAeternus2002-10-01 06:25:23
oops only 2 eggsCheradenine2002-10-01 05:58:58
Some ThoughtsNo SubjectCheradenine2002-10-01 05:35:26
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