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03 January 2007 @ 07:46 pm
River IQ test game  
River IQ game
To start the game -- click on the big blue circle on the right.

The Rules are in Taiwaneese(?), so here's English translation:
=======
1. Only 2 persons on the raft at a time
2. The father can not stay with any of the daughters without their mother's presence
3. The mother can not stay with any of the sons without their father's presence
4. The thief (striped shirt) can not stay with any family member if the Policeman is not
there
5. Only the Father, the Mother and the Policeman know how to operate the raft
6. To start click on the big blue circle on the right.
7. To move the people click on them.
8. To move the raft click on the pole on the opposite side of the river.
=======

It took me ~10 minutes to figure out how to handle the task.
10 minutes is fast. I'd say average time is 30 minutes, and many cannot solve this puzzle at all.

I was able to solve it in 10 minutes only because long time ago I got familiar with similar "Wolf, goat, cabbage" river puzzle.

How long did it take to solve it? - Leave your comment!
 
 
 
birthdaybot on January 9th, 2007 07:36 pm (UTC)
Профсоюз ботов ЖЖ поздравляет Вас с Днем Рождения!
(Anonymous) on April 26th, 2007 07:38 am (UTC)
5 minutes
Not hard at all...
someoneesl on September 21st, 2007 06:14 pm (UTC)
I just solved it in about 7 minutes. It reminds me chess. Also I think it's possible to write a program that solves this puzzle.
Dennis Gorelikdennisgorelik on September 21st, 2007 08:38 pm (UTC)
What do you mean under "program that solves this puzzle"?
Do you mean that this program will go to the web site, read the content, play with it a little bit, and eventually move everyone from one side of the river to another?

I don't think that it's possible to write such program within next 10 (++) years
:-)
someoneesl on September 22nd, 2007 02:04 am (UTC)
Well, let's start with "playing with it a little bit" part.

define elements F,M,s1,s2,d1,d2,P,T
define set A, size=8
define set B, size=0
define conditions - logical operators (?)

1. choose two elements from A that satisfy all conditions.
2. update A,B
3. choose one element from B that satisfy all the conditions.
4. update A,B
5. choose two elements from A, if no two elements satisfy all the conditions then choose one element (that one being other then the one chosen in step 3)
6. update A,B
7. choose two elements from B, if no two elements satisfy all the conditions then choose one element (the two being other than those chosen in step 5)
8. update A,B
9. choose two elements from A, if no two elements satisfy all the conditions then choose one element (the two being other than those chosen in step 7)
10. update A,B
11. if B=8 then stop else goto 7.

The requirements should be met in both sets. Hm... this is more complicated than I thought. What do you think?
Dennis Gorelikdennisgorelik on September 22nd, 2007 06:11 am (UTC)
Problems for AI
I think it's way more complex than your though.
AI wouldn't be able to solve such problems for very long time.
There are many easier to solve, but at the same time more important problems.
We should train AI to solve these "easier to solve & useful to solve" problems, not logical toys like that funny puzzle.