{"version":"1.0","blog_title":"\u30dc\u30af\u30ce\u30b9","title":" SICP\u3092\u8aad\u3080(74) \u554f\u984c2.64 \u4e8c\u9032\u6728\u3068\u3057\u3066\u306e\u96c6\u5408(2)","type":"rich","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fboxnos.hatenablog.com%2Fentry%2F20071217%2F1197874683\" title=\" SICP\u3092\u8aad\u3080(74) \u554f\u984c2.64 \u4e8c\u9032\u6728\u3068\u3057\u3066\u306e\u96c6\u5408(2) - \u30dc\u30af\u30ce\u30b9\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","author_name":"tanakaBox","author_url":"https://blog.hatena.ne.jp/tanakaBox/","height":"190","description":"\u6b21\u306f\u9806\u5e8f\u3065\u3051\u3089\u308c\u305f\u30ea\u30b9\u30c8\u3092\u91e3\u5408\u3063\u305f\u4e8c\u9032\u6728\u3078\u3068\u5909\u63db\u3059\u308b\u554f\u984c\u3002 \u554f\u984c 2.64 \u3068\u308a\u3042\u3048\u305a\u3001let*\u306b\u76f4\u3059\u3002 (define (partial-tree elements n) (if (= n 0) (cons '() elements) (let* ((left-size (quotient (- n 1) 2)) (left-result (partial-tree elements left-size)) (left-tree (car left-result)) (non-left-elements (cdr left-result)) ; center & right (right-s\u2026","width":"100%","provider_name":"Hatena Blog","provider_url":"https://hatena.blog","blog_url":"https://boxnos.hatenablog.com/","published":"2007-12-17 15:58:03","url":"https://boxnos.hatenablog.com/entry/20071217/1197874683","categories":["Scheme"],"image_url":null}