17 lines
474 B
Plaintext
17 lines
474 B
Plaintext
(lib 'list) ;; list-delete
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(define BLOCKS '("BO" "XK" "DQ" "CP" "NA" "GT" "RE" "TG" "QD" "FS"
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"JW" "HU" "VI" "AN" "OB" "ER" "FS" "LY" "PC" "ZM" ))
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(define WORDS '("A" "BARK" "BOOK" "TREAT" "COMMON" "SQUAD" "CONFUSE"))
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(define (spell word blocks)
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(cond
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((string-empty? word) #t)
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((empty? blocks) #f)
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(else
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(for/or [(block blocks)]
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#:continue (not (string-match block (string-first word)))
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(spell (string-rest word) (list-delete blocks block))))))
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