yamanetoshi
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scheme
SICP
昨晩ハマってしまった件 (問題 2.90) 何が悪いのかワケが分からない。add-terms の実装は以下。 (define (add-terms L1 L2) (cond ((empty-termlist? L1) L2) ((empty-termlist? L2) L1) (else (let ((t1 (first-term L1)) (t2 (first-term L2))) (cond ((> (order t1) (order t2)) ((adjoin-term (add-terms (rest-terms L1) L2)) t1)) ((< (order t1) (order …
190
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Hatena Blog
https://hatena.blog
2007-04-12 12:32:56
SICP 読み (83) 2.5.3 例: 記号代数
rich
https://yamanetoshi.hatenablog.com/entry/20070412/1176348776
1.0
100%