{"blog_title":"trotr\u306e\u65e5\u8a18","author_name":"trotr","published":"2010-01-12 00:00:00","title":"","url":"https://trotr.hatenadiary.org/entry/20100112","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Ftrotr.hatenadiary.org%2Fentry%2F20100112\" title=\" - trotr\u306e\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>","height":"190","categories":[],"version":"1.0","image_url":null,"provider_name":"Hatena Blog","description":";; http://d.hatena.ne.jp/knight_5/20100111/1263197803 \u3061\u3087\u3063\u3068\u3060\u3051\u89e3\u8aac\u3002 (define (f n) (let1 xs '(\")\") (set-cdr! xs xs) (let/cc r (fold (lambda (x c) (display x) (if (= c 0) (r 0) (- c 1))) n `(: - ,@xs))))) (dotimes (i 64) (f i) (newline)) \u30dd\u30a4\u30f3\u30c8\u306f2\u3064\u3002\u5faa\u74b0\u30ea\u30b9\u30c8\u3092\u4f5c\u308b\u3053\u3068\u3068\u7d99\u7d9a\u3092\u5229\u7528\u3057\u3066\u3044\u308b\u3053\u3068\u3002 \u3068\u8a00\u3063\u3066\u3082\u3001\u7d99\u7d9a\u3082\u305d\u3093\u306a\u306b\u96e3\u3057\u3044\u4f7f\u3044\u65b9\u3092\u3057\u3066\u3044\u308b\u306e\u3067\u306f\u306a\u304f\u3001 \u5358\u306b\u3001\u30eb\u30fc\u2026","blog_url":"https://trotr.hatenadiary.org/","author_url":"https://blog.hatena.ne.jp/trotr/","width":"100%","provider_url":"https://hatena.blog","type":"rich"}