{"height":"190","width":"100%","blog_title":"inamori\u2019s diary","provider_url":"https://hatena.blog","version":"1.0","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Finamori.hateblo.jp%2Fentry%2F20100225%2Fp2\" title=\"Project Euler 62 - inamori\u2019s diary\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","provider_name":"Hatena Blog","author_name":"inamori","description":"http://projecteuler.net/index.php?section=problems&id=62 Haskell\u3067\u8f9e\u66f8\u306f\u6b21\u306e\u3088\u3046\u306b\u4f7f\u3046\u3002 import qualified Data.Map as M m = M.insert 1 2 M.empty n = m M.! 1 -- 2 b = M.member 1 m -- True 3\u4e57\u3057\u3066\u5404\u6841\u306e\u6570\u5b57\u3092\u964d\u9806\u306b\u4e26\u3079\u3066\u6570\u306b\u3059\u308b\u3002\u540c\u3058\u6570\u306b\u306a\u308b\u3082\u306e\u3092\u30ab\u30a6\u30f3\u30c8\u3059\u308b\u3002","categories":["Haskell"],"blog_url":"https://inamori.hateblo.jp/","image_url":null,"title":"Project Euler 62","url":"https://inamori.hateblo.jp/entry/20100225/p2","author_url":"https://blog.hatena.ne.jp/inamori/","published":"2010-02-25 00:00:01","type":"rich"}