{"blog_title":"\u307f\u305a\u3074\u30fc\u65e5\u8a18","categories":["Haskell","30\u5206\u30d7\u30ed\u30b0\u30e9\u30e0"],"image_url":null,"author_url":"https://blog.hatena.ne.jp/mzp/","published":"2008-05-28 00:00:00","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fmzp.hatenadiary.org%2Fentry%2F20080528%2Feuler\" title=\"Problem40 - \u307f\u305a\u3074\u30fc\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>","blog_url":"https://mzp.hatenadiary.org/","url":"https://mzp.hatenadiary.org/entry/20080528/euler","version":"1.0","description":"30\u5206\u30d7\u30ed\u30b0\u30e9\u30e0\u3001\u305d\u306e313\u3002Problem40 - Project Euler\u3002 \u6b63\u306e\u6574\u6570\u3092\u9806\u306b\u9023\u7d50\u3057\u3066\u5f97\u3089\u308c\u308b\u4ee5\u4e0b\u306e10\u9032\u306e\u7121\u7406\u6570\u3092\u8003\u3048\u308b: 0.123456789101112131415161718192021...\u5c0f\u6570\u70b9\u7b2c12\u4f4d\u306f1\u3067\u3042\u308b. dn\u3067\u5c0f\u6570\u70b9\u7b2cn\u4f4d\u306e\u6570\u3092\u8868\u3059. d1 \u00d7 d10 \u00d7 d100 \u00d7 d1000 \u00d7 d10000 \u00d7 d100000 \u00d7 d1000000 \u3092\u6c42\u3081\u3088. \u4f7f\u3044\u65b9 *Main> solve 210 \u89e3\u6cd5 1\u6841\u306e\u6570\u5b57\u306f\u30011\u301c9\u306a\u306e\u3067: (0 2\u6841\u306e\u6570\u5b57\u306f\u300110\u301c99\u3002\u305d\u3057\u3066\u30012\u6841\u306b\u306a\u308b\u306e\u306fk=10\u304b\u3089\u306a\u306e\u3067: (10 \u540c\u69d8\u306b\u30013\u6841\u306e\u6570\u5b57\u306f100\u301c999\u3002\u2026","provider_name":"Hatena Blog","height":"190","width":"100%","title":"Problem40","provider_url":"https://hatena.blog","author_name":"mzp","type":"rich"}