{"version":"1.0","blog_url":"https://kiririmode.hatenablog.jp/","published":"2007-12-30 00:00:01","width":"100%","image_url":null,"author_name":"kiririmode","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fkiririmode.hatenablog.jp%2Fentry%2F20071230%2Fp2\" title=\"\u554f\u984c2-64 (2.3.3  Example: Representing Sets)  - \u7406\u7cfb\u5b66\u751f\u65e5\u8a18\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","blog_title":"\u7406\u7cfb\u5b66\u751f\u65e5\u8a18","type":"rich","height":"190","provider_name":"Hatena Blog","provider_url":"https://hatena.blog","author_url":"https://blog.hatena.ne.jp/kiririmode/","description":"\u62d9\u3044\u306a\u304c\u3089\u3082partial-tree\u306e\u52d5\u4f5c\u8aac\u660e\u3002 partial-tree\u306f\u30ea\u30b9\u30c8\u304b\u3089\u5e73\u8861\u6728\u3092\u4f5c\u6210\u3057\u3001\u305d\u306e\u5e73\u8861\u6728\u3092\u7b2c1\u8981\u7d20\u3001\u6728\u306b\u542b\u307e\u308c\u306a\u3044\u8981\u7d20\u3092\u7b2c2\u8981\u7d20\u306b\u30ea\u30b9\u30c8\u3068\u3057\u3066\u8fd4\u3059\u3088\u3046\u306a\u95a2\u6570\u306b\u306a\u3063\u3066\u3044\u308b\u3002 (define (partial-tree elts n) (if (= n 0) (cons '() elts) (let ((left-size (quotient (- n 1) 2))) (let ((left-result (partial-tree elts left-size))) (let ((left-tree (car left-result)) (non-left-elts (c\u2026","title":"\u554f\u984c2-64 (2.3.3  Example: Representing Sets) ","categories":["SICP"],"url":"https://kiririmode.hatenablog.jp/entry/20071230/p2"}