A Zebra-puzzle is a combinatorial logic puzzle. Also known as Einstein's riddle, Caliban's problem, Five Houses Puzzle.
A Zebra-puzzle is a combinatorial logic puzzle. Also known as Einstein's riddle, Caliban's problem, Five Houses Puzzle.
Questions tagged [zebra-puzzle]
112 questions
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1 answer
BigQuery calculation to count how many unique combinations of 4 items there are across 6 columns
I have the following table (I have covered up the current_holder column for privacy reasons):
For each row, I want to find the number of times we could pull 4 unique objects out of a bag (the objects being keys, skulls, gems, coins, daggers and…
locket
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3 answers
Solve riddle in prolog
I want to solve this riddle in prolog:
The students Lily, Jack and Daisy go to the same university. All of them come from a different country and have different hobbies. They all go to a university in the USA, where one of them is living. Lily has…
zer0kai
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Solving ship puzzle using prolog
I need to solve the following problem using prolog.
These are the facts provided.
1. The Greek ship leaves at six and carries coffee.
2. The Ship in the middle has a black chimney.
3. The English ship leaves at nine.
4. The French ship with blue…
Punuth
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1 answer
Puzzle in Prolog
Anybody solve this Puzzle :
Figure out the first name, wine, entree, and price for each person using the clues given.
Below are all categories and options used in this puzzle.
First names: Lynda, Nick, Robin, Virginia
Wines: bordeaux, chianti,…
Nik
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1 answer
error in Prolog code - undefined procedure: unique/1
%three variants of actions. I have 3 animals and it can drive on plane, car or miss the %step. I know, that on the first step monkey ride on plane, wolf ride on car. On the second %step wolf ride on plane. We need to know accordance that remain. And…
Zakhar
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1 answer
Using SWI-Prolog, syntax,singleton errors
I'm need to use SWI-prolog to solve a logic puzzle for homework, but I find the syntax and meaning very cumbersome even with my programming background. The problem I'm facing are error about singleton variables and the puzzle return false.
This is…
Friso Kluitenberg
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Somebody could help me with this little program in prolog?
When I run my program with this sentence:
| ?- constraints(C).
and the result is:
C = [espacio(chuck,brenda,lewis,cafe,treintayuno),
espacio(bill,mary,tread,rojo,veinteynueve),
espacio(steve,cindy,branch,negra,cuarentaytres),
…
Enrique V Martinez
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