{"url":"https://boxnos.hatenablog.com/entry/20070527/1180292565","provider_url":"https://hatena.blog","provider_name":"Hatena Blog","description":"\u554f\u984c1.9 \u7d19\u306e\u4e0a\u3067\u5c55\u958b\u3057\u305f\u3002\u6563\u3005\u60a9\u3093\u3060\u306e\u3067\u3001\u3042\u3063\u3055\u308a\u89e3\u3051\u305f\u3002 \u554f\u984c1.10 \u6570\u5b66\u7684\u5e30\u7d0d\u306e\u554f\u984c\u3002\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u898b\u3066\u3001\u6570\u5b66\u7684\u5b9a\u7fa9\u3092\u8ff0\u3079\u3088\u3002 (define (A x y) (cond ((= y 0) 0) ((= x 0) (* 2 y)) ((= y 1) 2) (else (A (- x 1) (A x (- y 1)))))) x\u306b\u5927\u304d\u306a\u5024\u3092\u53d6\u308b\u3068\u5927\u5909\u306a\u4e8b\u306b\u306a\u308b\u3053\u3068\u3060\u3051\u308f\u304b\u3063\u305f\u3002x = 3\u4ee5\u964d\u306e\u52d5\u304d\u304c\u7570\u5e38\u3059\u304e\u308b\u306e\u3060\u3002\u5c0b\u5e38\u3058\u3083\u306a\u3044\u3002\u50d5\u306e\u5c11\u306a\u3044\u982d\u3067\u306f\u3001\u6570\u5b66\u7684\u5b9a\u7fa9\u304c\u308f\u304b\u3089\u306a\u304b\u3063\u305f\u3002\u4e01\u5be7\u306a\u89e3\u8aac\u304c\u3042\u308a\u307e\u3057\u305f\u3002 SICP memo: \u554f\u984c1.10 - \u308f\u304b\u308a\u3084\u3059\u3044\u3002 \u30a2\u30c3\u30ab\u30fc\u30de\u30f3\u95a2\u6570 - Wikipe\u2026","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fboxnos.hatenablog.com%2Fentry%2F20070527%2F1180292565\" title=\" SICP\u3092\u8aad\u3080(10) \u554f\u984c1.9 - 1.10 \u6307\u6570\u7684\u7206\u767a - \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>","image_url":null,"blog_title":"\u30dc\u30af\u30ce\u30b9","author_url":"https://blog.hatena.ne.jp/tanakaBox/","published":"2007-05-27 04:02:45","version":"1.0","height":"190","type":"rich","width":"100%","categories":["Scheme"],"author_name":"tanakaBox","blog_url":"https://boxnos.hatenablog.com/","title":" SICP\u3092\u8aad\u3080(10) \u554f\u984c1.9 - 1.10 \u6307\u6570\u7684\u7206\u767a"}