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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.

See The Solution Submitted by Alan    
Rating: 4.0000 (10 votes)

Comments: ( Back to comment list | You must be logged in to post comments.)
Solution re(6): First guess | Comment 11 of 51 |
(In reply to re(5): First guess by Charlie)

... from previous
106 PPPPPPPPPPPPPPPPPP1PPPPPP0PPPPPXP01P0X10
107 PPPPPPPPPPPPPPPPPP1PPPPPP0PPPPPXP01P0010
108 PPPPPPPPPPPPPPPPPP1PPPPPP0PPPPPXP01P0000
109 PPPPPPPPPPPPPPPPPP1PPPPPP0PPPPPXP01P0001
110 PPPPPPPPPPPPPPPPPP1PPPPPP0PPPPPXP01P0001
111 PPPPPPPPPPPPPPPPPP2PPPPPP1PPPPP0P12P1112
112 PPPPPPPPPPPPPPPPPP2PPPPPP0PPPPP0P02P0102
113 PPPPPPPPPPPPPPPPPP2PPPPPP0PPPPP1P02P110P
114 PPPPPPPPPPPPPPPPPP2PPPPPP0PPPPP1PX2P11XP
115 PPPPPPPPPPPPPPPPPP2PPPPPP0PPPPP1PXPP11XP
116 PPPPPPPPPPPPPPPPPP2PPPPPP0PPPPP1PXPP10XP
117 PPPPPPPPPPPPPPPPPP2PPPPPP0PPPPP1PXPP100P
118 PPPPPPPPPPPPPPPPPP2PPPPPP0PPPPP1PXPP100P
119 PPPPPPPPPPPPPPPPPP2PPPPPP0PPPPP1PXPP100P
120 PPPPPPPPPPPPPPPPPP2PPPPPP0PPPPP1PXPP100P
121 PPPPPPPPPPPPPPPPPPPPPPPPP1PPPPP2P0PP211P
122 PPPPPPPPPPPPPPPPPPPPPPPPP1PPPPP1P0PP110P
123 PPPPPPPPPPPPPPPPPPPPPPPPP1PPPPP1P1PP111P
124 PPPPPPPPPPPPPPPPPPPPPPPPP1PPPPP1P1PP011P
125 PPPPPPPPPPPPPPPPPPPPPPPPP1PPPPP1P1PP021P
126 PPPPPPPPPPPPPPPPPPPPPPPPP1PPPPP1P1PP020P
to be continued...
  Posted by Charlie on 2003-02-18 05:43:56

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