{"provider_url":"https://hatena.blog","image_url":null,"blog_url":"https://186.hatenablog.com/","width":"100%","author_url":"https://blog.hatena.ne.jp/smoking186/","description":"\u305d\u3093\u306a\u306b\u5927\u304d\u3044\u6574\u6570\u3092\u76f8\u624b\u306b\u3059\u308b\u6c17\u3082\u7121\u3044\u306e\u3060\u304c. 2^{20000}\u8fba\u308a\u3092\u5f15\u6570\u306b\u3059\u308b\u3068\u5dee\u304c\u51fa\u305f. ;(define (nu_2 a) ; (cond [(zero? a) \"infty\"] ; [else (the number of consecutive zeros inthe LSBs of the binary representation of a)])) (define (nu-div a) (if (integer? a) (let loop [(c a) (i 0)] (cond [(zero? a) #f] [(odd? c) i] [else (loop (/ c 2) (+\u2026","categories":["gauche"],"version":"1.0","provider_name":"Hatena Blog","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2F186.hatenablog.com%2Fentry%2F20080102%2F1199208363\" title=\" \u6e2c\u5b9a - 186 @ hatenablog\" 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","title":" \u6e2c\u5b9a","blog_title":"186 @ hatenablog","published":"2008-01-02 02:26:03","author_name":"smoking186","type":"rich","url":"https://186.hatenablog.com/entry/20080102/1199208363"}