{"provider_url":"https://hatena.blog","height":"190","blog_url":"https://gemma.hatenadiary.org/","url":"https://gemma.hatenadiary.org/entry/20090420/1240260346","author_url":"https://blog.hatena.ne.jp/Gemma/","title":" Gauche\u3067\u30a2\u30c8\u30ad\u30f3\u306e\u7be9\u3067\u7d20\u6570\u30ea\u30b9\u30c8","categories":[],"blog_title":"Gemma\u306e\u65e5\u8a18","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fgemma.hatenadiary.org%2Fentry%2F20090420%2F1240260346\" title=\" Gauche\u3067\u30a2\u30c8\u30ad\u30f3\u306e\u7be9\u3067\u7d20\u6570\u30ea\u30b9\u30c8 - Gemma\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>","version":"1.0","type":"rich","image_url":null,"author_name":"Gemma","published":"2009-04-20 05:45:46","provider_name":"Hatena Blog","width":"100%","description":"\u5185\u5305\u8868\u8a18\u3001\u767e\u82b1\u7e5a\u4e71\u3002 \u30ca\u30a4\u30fc\u30d6\u306a\u5b9f\u88c5\u306a\u306e\u3067\u3001\u304c\u3093\u3070\u308c\u3070\u3082\u3063\u3068\u901f\u304f\u306a\u308b\u3002\u53c2\u8003\u6587\u732e\u3092\u3069\u3046\u305e\u3002 \u3046\u3063\u304b\u308a list:ec \u3068typo\u3057\u3066\u3001\u6c17\u3065\u304f\u306e\u306b20\u5206\u307b\u3069\u7121\u99c4\u306b\u3057\u305f\u306e\u306f\u30ca\u30a4\u30b7\u30e7\u3060\u3002 (use srfi-42) (define-syntax vector-flip! (syntax-rules () ((_ vec i) (vector-set! vec i (not (vector-ref vec i)))))) (define (atkin-sieve limit) (let ((is-prime (make-vector (+ limit 1) #f)) (sqrt-limit (ceili\u2026"}