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A-M baby

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Ingy döt Net 2013-04-10 21:29:02 -07:00
parent 764da6cbbb
commit db842d013d
19005 changed files with 197040 additions and 7 deletions
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17
Task/Hofstadter-Figure-Figure-sequences/PicoLisp/hofstadter-figure-figure-sequences-1.l Normal file
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@ -0,0 +1,17 @@
(setq *RNext 2)
(de ffr (N)
(cache '(NIL) (pack (char (hash N)) N)
(if (= 1 N)
1
(+ (ffr (dec N)) (ffs (dec N))) ) ) )
(de ffs (N)
(cache '(NIL) (pack (char (hash N)) N)
(if (= 1 N)
2
(let S (inc (ffs (dec N)))
(when (= S (ffr *RNext))
(inc 'S)
(inc '*RNext) )
S ) ) ) )

7
Task/Hofstadter-Figure-Figure-sequences/PicoLisp/hofstadter-figure-figure-sequences-2.l Normal file
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: (mapcar ffr (range 1 10))
-> (1 3 7 12 18 26 35 45 56 69)
: (=
(range 1 1000)
(sort (conc (mapcar ffr (range 1 40)) (mapcar ffs (range 1 960)))) )
-> T