{"author_url":"https://blog.hatena.ne.jp/jeneshicc/","width":"100%","height":"190","version":"1.0","description":"\u524d\u9580\u3068\u540c\u3058\u3088\u3046\u306a\u8003\u3048\u65b9\u3002\u3080\u3057\u308d\u3053\u3063\u3061\u306e\u307b\u3046\u304c\u7c21\u5358\u3060\u3068\u601d\u3046\u3002 choose n r = div (product [n-r+1..n]) $ product [1..r] replace m n = sum[choose (n+t-t*m) t | t<-[1..div n m]] main = print.sum.zipWith replace [2,3,4] $ repeat 50","published":"2008-11-28 21:10:21","provider_url":"https://hatena.blog","provider_name":"Hatena Blog","type":"rich","title":"Problem 116","image_url":null,"categories":["Project Euler","Haskell"],"author_name":"jeneshicc","blog_title":"\u843d\u66f8\u304d\u3001\u6642\u3005\u843d\u5b66","blog_url":"https://jeneshicc.hatenadiary.org/","url":"https://jeneshicc.hatenadiary.org/entry/20081128/1227874221","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fjeneshicc.hatenadiary.org%2Fentry%2F20081128%2F1227874221\" title=\"Problem 116 - \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>"}