Handbook
Glossary
solution? ( board -- ? )
Vocabulary
rosetta-code.n-queens
Inputs
board
an
object
Outputs
?
an
object
Definition
USING:
kernel
sequences
;
IN:
rosetta-code.n-queens
:
solution?
( board -- ? )
dup
length
<iota>
[
dupd
safe?
]
all?
nip
;