{"title":"Exercies 2.36","published":"2008-08-05 00:06:37","width":"100%","author_url":"https://blog.hatena.ne.jp/xenop/","url":"https://xenop.hateblo.jp/entry/20080805/1218467197","version":"1.0","image_url":null,"provider_name":"Hatena Blog","categories":["SICP"],"provider_url":"https://hatena.blog","description":"(define s (list (list 1 2 3) (list 4 5 6) (list 7 8 9) (list 10 11 12))) (accumulate-n + 0 s) (22 26 30) \u306b\u306a\u308a\u3083\u3044\u30fc\u306e\u306d\u3002 \u3053\u3046\u3060\u30c3 (define (accumulate-n op init seqs) (if (null? (car seqs)) '() (cons (accumulate op init (map car seqs)) (accumulate-n op init (map cdr seqs))))) \u7c21\u5358\u3067\u3059\u306d^o^ nil\u306e\u90e8\u5206\u3092'()\u306b\u3057\u306a\u3044\u3068\uff08\u30b5\u30f3\u30d7\u30eb\u30d7\u30ed\u30b0\u30e9\u30e0\u2026","blog_title":"\u5e30\u3063\u3066\u304d\u305fYet Another \u308f\u3063\u307b\u3044","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fxenop.hateblo.jp%2Fentry%2F20080805%2F1218467197\" title=\"Exercies 2.36 - \u5e30\u3063\u3066\u304d\u305fYet Another \u308f\u3063\u307b\u3044\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","type":"rich","blog_url":"https://xenop.hateblo.jp/","author_name":"xenop","height":"190"}