{"version":"1.0","height":"190","author_url":"https://blog.hatena.ne.jp/jeneshicc/","description":"http://projecteuler.net/index.php?section=problems&id=118\u3044\u305f\u3063\u3066\u666e\u901a\u306e\u89e3\u6cd5\u3060\u3068\u601d\u3046\u3002 import Data.List import Number permPrime :: [Char] -> Integer permPrime = genericLength.filter isPrime'.map read.permutations comb _ 0 = [[]] comb [] _ = [] comb (x:xs) (n+1) = map (x:) (comb xs n) ++ comb xs (n+1) count _ [] = \u2026","provider_url":"https://hatena.blog","provider_name":"Hatena Blog","title":"Problem 118","blog_title":"\u843d\u66f8\u304d\u3001\u6642\u3005\u843d\u5b66","categories":["Project Euler","Haskell"],"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fjeneshicc.hatenadiary.org%2Fentry%2F20081128%2F1227885185\" title=\"Problem 118 - \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>","width":"100%","type":"rich","image_url":null,"url":"https://jeneshicc.hatenadiary.org/entry/20081128/1227885185","published":"2008-11-28 00:13:05","blog_url":"https://jeneshicc.hatenadiary.org/","author_name":"jeneshicc"}