{"version":"1.0","author_url":"https://blog.hatena.ne.jp/jeneshicc/","provider_name":"Hatena Blog","image_url":null,"height":"190","url":"https://jeneshicc.hatenadiary.org/entry/20081219/1229698566","published":"2008-12-19 23:56:06","blog_title":"\u843d\u66f8\u304d\u3001\u6642\u3005\u843d\u5b66","title":"Problem 152","author_name":"jeneshicc","categories":["Project Euler","Haskell"],"provider_url":"https://hatena.blog","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fjeneshicc.hatenadiary.org%2Fentry%2F20081219%2F1229698566\" title=\"Problem 152 - \u843d\u66f8\u304d\u3001\u6642\u3005\u843d\u5b66\" 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","description":"http://projecteuler.net/index.php?section=problems&id=152\u5927\u304d\u306a\u7d20\u56e0\u6570\u3092\u6301\u3064\u6570\u304b\u3089\u8003\u3048\u3066\u3044\u304d\u3001\u6b8b\u308a\u304c\uff12\uff0c\uff13\u306b\u306a\u3063\u305f\u3089\u5168\u63a2\u7d22\u3092\u958b\u59cb\u3002 import Number (primes, isPrime, merge) import Data.List (groupBy, sortBy) import Data.Ratio (Ratio, denominator, (%)) import Data.Ord (comparing) import Data.Function (on) lim :: Integer lim = 80 invSq :: (\u2026","blog_url":"https://jeneshicc.hatenadiary.org/","width":"100%"}