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The flooble question (Posted on 2003-02-18) Difficulty: 4 of 5
At flooble there are 40 problems in the queue. (this may not be true but lets just pretend it is.) A few crazy hackers somehow manage to promote themselves to scholars. On the first day the first hacker will vote thumbs up on all problems displayed.(The 10 most recent) On the second day the second hacker votes thumbs down on every second problem. On the third day the third hacker votes thumbs up on every third problem. And so on and so on. (When it gets to the eleventh day the eleventh hacker will do what the first hacker did)

How many days will it take for every problem in the queue to be live on the site?

Note: For those who don't know there are only 10 problems that can be voted thumbs up or thumbs down every day and these problems are the 10 least recent. Also a problem with three thumbs up will be posted to the site and taken out of queue. Only one problem can be posted to the site per day. Also if a problem gets 3 thumbs down it is deleted.

Btw: for those who like an extra challenge what if one problem is submitted every 3 days?

Also: A hacker will always vote before a problem becomes live.

  Submitted by Alan    
Rating: 4.0000 (10 votes)
Solution: (Hide)
Charlie ran a computer simulation that shows that the last problem is posted on day 201. If one problem is posted once every 3 days the queue would never be exhausted. You could also read the comment list to find out more.

Comments: ( You must be logged in to post comments.)
  Subject Author Date
re: SorryCharlie2003-03-13 18:37:47
SorryAlan2003-03-13 12:05:41
re(2): Seeing as howCharlie2003-03-13 09:12:16
Hints/Tipsre: Seeing as howfwaff2003-03-12 23:11:48
Seeing as howAlan2003-03-12 16:01:26
re: I don't know but....Charlie2003-03-08 11:41:06
I don't know but....Alan2003-03-07 15:48:10
re: Looking back at the rules.fwaff2003-03-05 05:39:03
SolutionLooking back at the rules.Charlie2003-03-05 05:00:25
Solutionre: Solution?Charlie2003-03-05 03:26:33
re: To restate everythingCharlie2003-03-04 03:58:33
SolutionExtra challenge.Charlie2003-03-04 03:46:00
SolutionSolution?Charlie2003-03-04 03:33:43
re(3): To restate everythingCharlie2003-03-03 16:18:32
Solutionre(2): To restate everythingfwaff2003-02-28 05:48:40
re: To restate everythingCharlie2003-02-28 04:05:14
Hints/TipsTo restate everythingAlan2003-02-26 12:27:05
re: NOOOOOOOOOOOOOOOOlevik2003-02-25 07:08:10
NOOOOOOOOOOOOOOOOAlan2003-02-24 16:11:39
Hints/TipsSince this may also cause people to get thrown offAlan2003-02-24 15:41:01
re: i got itCory Taylor2003-02-24 11:10:54
i got itboris2003-02-22 06:49:43
SorryAlan2003-02-19 09:56:57
Solutionre(2): new info solution - the sequel - part 2fwaff2003-02-19 04:44:05
Some Thoughtsre: new info solution - the sequelfwaff2003-02-18 23:38:02
Solutionnew info solution - the sequelCory Taylor2003-02-18 10:53:54
Hints/Tipsnew info solutionCory Taylor2003-02-18 10:32:34
my revised solutionCory Taylor2003-02-18 09:58:53
oopsCory Taylor2003-02-18 09:56:48
re: How the voting worksCharlie2003-02-18 09:54:09
How the voting workslevik2003-02-18 09:05:43
re: crazy (for lack of a better subject)Charlie2003-02-18 07:08:42
re: crazy (for lack of a better subject)Charlie2003-02-18 06:46:59
re(3): First guessCharlie2003-02-18 06:27:45
crazy (for lack of a better subject)Cory Taylor2003-02-18 06:23:04
re(2): First guessCharlie2003-02-18 06:20:45
re: First guessCharlie2003-02-18 05:53:20
Solutionre(9): First guessCharlie2003-02-18 05:49:32
Solutionre(8): First guessCharlie2003-02-18 05:47:18
Solutionre(7): First guessCharlie2003-02-18 05:45:39
Solutionre(6): First guessCharlie2003-02-18 05:43:56
Solutionre(5): First guessCharlie2003-02-18 05:42:02
Solutionre(4): First guessCharlie2003-02-18 05:40:46
re(3): First guessCharlie2003-02-18 05:39:44
Solutionre(2): First guessCharlie2003-02-18 05:38:36
re: First guessCharlie2003-02-18 05:37:05
re(4): First guessCharlie2003-02-18 05:27:53
re(3): First guessCharlie2003-02-18 05:26:31
re(2): First guessCharlie2003-02-18 05:24:46
re: First guessCharlie2003-02-18 05:20:24
SolutionFirst guessfwaff2003-02-18 02:45:25
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