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add PicoLisp
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end procedure
play()</lang>
=={{header|PicoLisp}}==
Computer play by selecting random road. [Demo](https://asciinema.org/a/369181) is here.
<lang PicoLisp>
(load "@lib/simul.l")
(seed (in "/dev/urandom" (rd 8)))
(scl 6)
# N - number
# C - Color
# F - flag to draw candidates
# A - @ mark
(de display ()
(let P 0
(wait 500)
(prin "^[[2J")
(for L G
(for This L
# count cleared cells
(and (lt0 (: N)) (inc 'P))
(prin
"^[[0;"
(if (or (: A) (: F)) 100 (: C))
"m"
(cond
((: A) "@")
((lt0 (: N)) " ")
(T (: N)) )
"^[[0m" ) )
(prinl) )
(prinl
"Score: "
S
" "
(round (*/ P 1.0 100.0 1738.0) 2)
"%" ) ) )
(de roads (Lst Flg)
(mapc
'((L)
(with C
(do (car L)
(setq This ((cadr L) This))
(=: F Flg) ) ) )
Lst )
(display) )
(let
(Colors (simul~shuffle (31 32 33 35 91 92 93 94 96))
G (simul~grid 22 79)
C NIL
S 0 )
# set random grid
(for L G
(for This L
(let X (rand 1 9)
(=: N X)
(=: C (get Colors X)) ) ) )
# set random startpoint
(with (get G (rand 1 22) (rand 1 79))
(setq C This)
(=: A 0) )
(display)
(loop
(NIL
(setq Z
(extract
'((D)
(with C
(let? S (with (D This) (: N))
(and
(do S
(NIL (setq This (D This)))
(NIL (gt0 (: N)))
'next )
(list S D This) ) ) ) )
'(simul~west
simul~east
simul~south
simul~north
((X) (simul~south (simul~west X)))
((X) (simul~north (simul~west X)))
((X) (simul~south (simul~east X)))
((X) (simul~north (simul~east X))) ) ) ) )
# XXX
(roads Z T)
(roads Z)
# select road randomly
(let L (get Z (rand 1 (length Z)))
(with C
(inc 'S (: N))
# clear value of "old" Center
(=: N -1)
(=: A)
# clear selected road
(do (car L)
(inc 'S (: N))
(=: N -1)
(setq This ((cadr L) This)) ) )
# set new Center
(with (caddr L)
(setq C This)
(=: A 0) ) )
(display) ) )
(bye)</lang>
=={{header|Raku}}==
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