Towers of Hanoi: Difference between revisions
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=={{header|Clojure}}== |
=={{header|Clojure}}== |
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===Side-Effecting Solution=== |
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<lang lisp>(defn towers-of-hanoi [n from to via] |
<lang lisp>(defn towers-of-hanoi [n from to via] |
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(when (pos? n) |
(when (pos? n) |
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(printf "Move from %s to %s\n" from to) |
(printf "Move from %s to %s\n" from to) |
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(recur (dec n) via to from)))</lang> |
(recur (dec n) via to from)))</lang> |
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===Lazy Solution=== |
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<lang lisp>(defn towers-of-hanoi [n from to via] |
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(when (pos? n) |
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(lazy-cat (towers-of-hanoi (dec n) from via to) |
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(cons [from '-> to] |
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(towers-of-hanoi (dec n) via to from)))))</lang> |
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=={{header|COBOL}}== |
=={{header|COBOL}}== |
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