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.
(In reply to
re(4): First guess by Charlie)
... from previous
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94 PPPPPPPPPPP2PPPPPP0PPPPPP0PP1220PX01qqqq
95 PPPPPPPPPPP2PPPPPP0PPPPPP0PP1P20PX020qqq
96 PPPPPPPPPPP2PPPPPP0PPPPPP0PP1P2XPX020qqq
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98 PPPPPPPPPPP2PPPPPP0PPPPPP0PP1P2XP0X20qqq
99 PPPPPPPPPPP2PPPPPP0PPPPPP0PP1P2XP0XP00qq
100 PPPPPPPPPPP2PPPPPP0PPPPPP0PP1P2XP0XP0Xqq
101 PPPPPPPPPPPPPPPPPP1PPPPPP1PP2Pa0P10P1011
102 PPPPPPPPPPPPPPPPPP1PPPPPP0PP2PPXP1XP1X10
103 PPPPPPPPPPPPPPPPPP1PPPPPP0PPPPPXP10P1X20
104 PPPPPPPPPPPPPPPPPP1PPPPPP0PPPPPXP00P1X10
105 PPPPPPPPPPPPPPPPPP1PPPPPP0PPPPPXP01P1X10
to be continued...

Posted by Charlie
on 20030218 05:42:02 